diff --git a/src/main/java/org/codelibs/fess/app/web/admin/boostdocumentrule/CreateForm.java b/src/main/java/org/codelibs/fess/app/web/admin/boostdocumentrule/CreateForm.java
index e69af9ed1..92ca7eef6 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/boostdocumentrule/CreateForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/boostdocumentrule/CreateForm.java
@@ -2,6 +2,7 @@ package org.codelibs.fess.app.web.admin.boostdocumentrule;
 
 import java.io.Serializable;
 
+import javax.validation.constraints.Digits;
 import javax.validation.constraints.Max;
 import javax.validation.constraints.Min;
 import javax.validation.constraints.Size;
@@ -14,6 +15,7 @@ public class CreateForm implements Serializable {
 
     private static final long serialVersionUID = 1L;
 
+    @Digits(integer = 10, fraction = 0)
     public Integer crudMode;
 
     @Required
@@ -27,6 +29,7 @@ public class CreateForm implements Serializable {
     @Required
     @Min(value = 0)
     @Max(value = 2147483647)
+    @Digits(integer = 10, fraction = 0)
     public Integer sortOrder;
 
     @Required
@@ -34,6 +37,7 @@ public class CreateForm implements Serializable {
     public String createdBy;
 
     @Required
+    @Digits(integer = 19, fraction = 0)
     public Long createdTime;
 
     public void initialize() {
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/boostdocumentrule/EditForm.java b/src/main/java/org/codelibs/fess/app/web/admin/boostdocumentrule/EditForm.java
index a6bf46cb2..a7cff400f 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/boostdocumentrule/EditForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/boostdocumentrule/EditForm.java
@@ -16,6 +16,7 @@
 
 package org.codelibs.fess.app.web.admin.boostdocumentrule;
 
+import javax.validation.constraints.Digits;
 import javax.validation.constraints.Size;
 
 import org.lastaflute.web.validation.Required;
@@ -35,9 +36,11 @@ public class EditForm extends CreateForm {
     @Size(max = 1000)
     public String updatedBy;
 
+    @Digits(integer = 19, fraction = 0)
     public Long updatedTime;
 
     @Required
+    @Digits(integer = 10, fraction = 0)
     public Integer versionNo;
 
 }
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/crawlingsession/CrawlingSessionEditForm.java b/src/main/java/org/codelibs/fess/app/web/admin/crawlingsession/CrawlingSessionEditForm.java
index ba5b89633..503499e64 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/crawlingsession/CrawlingSessionEditForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/crawlingsession/CrawlingSessionEditForm.java
@@ -26,7 +26,7 @@ public class CrawlingSessionEditForm implements Serializable {
 
     private static final long serialVersionUID = 1L;
 
-    //@IntegerType
+    //@Digits(integer=10, fraction=0)
     public int crudMode;
 
     //@Required(target = "confirmfromupdate,update,delete")
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/dataconfig/CreateForm.java b/src/main/java/org/codelibs/fess/app/web/admin/dataconfig/CreateForm.java
index 3d3ce44b1..f28bb0e68 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/dataconfig/CreateForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/dataconfig/CreateForm.java
@@ -18,6 +18,7 @@ package org.codelibs.fess.app.web.admin.dataconfig;
 
 import java.io.Serializable;
 
+import javax.validation.constraints.Digits;
 import javax.validation.constraints.Max;
 import javax.validation.constraints.Min;
 import javax.validation.constraints.Size;
@@ -38,6 +39,7 @@ public class CreateForm implements Serializable {
 
     public String[] labelTypeIds;
 
+    @Digits(integer = 10, fraction = 0)
     public Integer crudMode;
 
     @Required
@@ -57,6 +59,7 @@ public class CreateForm implements Serializable {
     @Required
     @Min(value = 0)
     @Max(value = 2147483647)
+    @Digits(integer = 10, fraction = 0)
     public Integer boost;
 
     @Required
@@ -66,6 +69,7 @@ public class CreateForm implements Serializable {
     @Required
     @Min(value = 0)
     @Max(value = 2147483647)
+    @Digits(integer = 10, fraction = 0)
     public Integer sortOrder;
 
     @Required
@@ -73,6 +77,7 @@ public class CreateForm implements Serializable {
     public String createdBy;
 
     @Required
+    @Digits(integer = 19, fraction = 0)
     public Long createdTime;
 
     public void initialize() {
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/dataconfig/EditForm.java b/src/main/java/org/codelibs/fess/app/web/admin/dataconfig/EditForm.java
index e673e57aa..569cb1457 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/dataconfig/EditForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/dataconfig/EditForm.java
@@ -16,6 +16,7 @@
 
 package org.codelibs.fess.app.web.admin.dataconfig;
 
+import javax.validation.constraints.Digits;
 import javax.validation.constraints.Size;
 
 import org.lastaflute.web.validation.Required;
@@ -34,9 +35,11 @@ public class EditForm extends CreateForm {
     @Size(max = 1000)
     public String updatedBy;
 
+    @Digits(integer = 19, fraction = 0)
     public Long updatedTime;
 
     @Required
+    @Digits(integer = 10, fraction = 0)
     public Integer versionNo;
 
 }
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/dict/kuromoji/CreateForm.java b/src/main/java/org/codelibs/fess/app/web/admin/dict/kuromoji/CreateForm.java
index 9388547df..5327208dc 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/dict/kuromoji/CreateForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/dict/kuromoji/CreateForm.java
@@ -18,6 +18,7 @@ package org.codelibs.fess.app.web.admin.dict.kuromoji;
 
 import java.io.Serializable;
 
+import javax.validation.constraints.Digits;
 import javax.validation.constraints.Size;
 
 import org.codelibs.fess.app.web.CrudMode;
@@ -34,6 +35,7 @@ public class CreateForm implements Serializable {
     @Required
     public String dictId;
 
+    @Digits(integer = 10, fraction = 0)
     public Integer crudMode;
 
     @Required
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/dict/kuromoji/EditForm.java b/src/main/java/org/codelibs/fess/app/web/admin/dict/kuromoji/EditForm.java
index ae18ebddc..e13289a40 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/dict/kuromoji/EditForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/dict/kuromoji/EditForm.java
@@ -1,5 +1,7 @@
 package org.codelibs.fess.app.web.admin.dict.kuromoji;
 
+import javax.validation.constraints.Digits;
+
 import org.lastaflute.web.validation.Required;
 
 public class EditForm extends CreateForm {
@@ -7,6 +9,7 @@ public class EditForm extends CreateForm {
     private static final long serialVersionUID = 1L;
 
     @Required
+    @Digits(integer = 19, fraction = 0)
     public Long id;
 
     public String getDisplayId() {
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/dict/synonym/CreateForm.java b/src/main/java/org/codelibs/fess/app/web/admin/dict/synonym/CreateForm.java
index 35a99d068..6d096ec0e 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/dict/synonym/CreateForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/dict/synonym/CreateForm.java
@@ -18,6 +18,7 @@ package org.codelibs.fess.app.web.admin.dict.synonym;
 
 import java.io.Serializable;
 
+import javax.validation.constraints.Digits;
 import javax.validation.constraints.Size;
 
 import org.codelibs.fess.app.web.CrudMode;
@@ -34,6 +35,7 @@ public class CreateForm implements Serializable {
     @Required
     public String dictId;
 
+    @Digits(integer = 10, fraction = 0)
     public Integer crudMode;
 
     @Required
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/dict/synonym/EditForm.java b/src/main/java/org/codelibs/fess/app/web/admin/dict/synonym/EditForm.java
index 5fd6cb109..5858b1b16 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/dict/synonym/EditForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/dict/synonym/EditForm.java
@@ -16,6 +16,8 @@
 
 package org.codelibs.fess.app.web.admin.dict.synonym;
 
+import javax.validation.constraints.Digits;
+
 import org.lastaflute.web.validation.Required;
 
 /**
@@ -27,6 +29,7 @@ public class EditForm extends CreateForm {
     private static final long serialVersionUID = 1L;
 
     @Required
+    @Digits(integer = 19, fraction = 0)
     public Long id;
 
     public String getDisplayId() {
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/failureurl/FailureUrlEditForm.java b/src/main/java/org/codelibs/fess/app/web/admin/failureurl/FailureUrlEditForm.java
index 418830ad3..b0a2185ac 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/failureurl/FailureUrlEditForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/failureurl/FailureUrlEditForm.java
@@ -32,12 +32,12 @@ public class FailureUrlEditForm implements Serializable {
 
     public String fileConfigName;
 
-    //@IntegerType
+    //@Digits(integer=10, fraction=0)
     public String pageNumber;
 
     public Map<String, String> searchParams = new HashMap<String, String>();
 
-    //@IntegerType
+    //@Digits(integer=10, fraction=0)
     // TODO necessary?
     public int crudMode;
 
@@ -60,7 +60,7 @@ public class FailureUrlEditForm implements Serializable {
     public String errorLog;
 
     //@Required(target = "confirmfromcreate,create,confirmfromupdate,update,delete")
-    //@IntegerType
+    //@Digits(integer=10, fraction=0)
     public String errorCount;
 
     //@Required(target = "confirmfromcreate,create,confirmfromupdate,update,delete")
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/fileauthentication/CreateForm.java b/src/main/java/org/codelibs/fess/app/web/admin/fileauthentication/CreateForm.java
index 09a7ac4a6..629bca46a 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/fileauthentication/CreateForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/fileauthentication/CreateForm.java
@@ -18,6 +18,7 @@ package org.codelibs.fess.app.web.admin.fileauthentication;
 
 import java.io.Serializable;
 
+import javax.validation.constraints.Digits;
 import javax.validation.constraints.Max;
 import javax.validation.constraints.Min;
 import javax.validation.constraints.Size;
@@ -34,6 +35,7 @@ public class CreateForm implements Serializable {
 
     private static final long serialVersionUID = 1L;
 
+    @Digits(integer = 10, fraction = 0)
     public Integer crudMode;
 
     @Size(max = 100)
@@ -41,6 +43,7 @@ public class CreateForm implements Serializable {
 
     @Min(value = 0)
     @Max(value = 2147483647)
+    @Digits(integer = 10, fraction = 0)
     public Integer port;
 
     @Size(max = 10)
@@ -65,6 +68,7 @@ public class CreateForm implements Serializable {
     public String createdBy;
 
     @Required
+    @Digits(integer = 19, fraction = 0)
     public Long createdTime;
 
     public void initialize() {
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/fileauthentication/EditForm.java b/src/main/java/org/codelibs/fess/app/web/admin/fileauthentication/EditForm.java
index 32793d3b8..cb5254ba3 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/fileauthentication/EditForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/fileauthentication/EditForm.java
@@ -16,6 +16,7 @@
 
 package org.codelibs.fess.app.web.admin.fileauthentication;
 
+import javax.validation.constraints.Digits;
 import javax.validation.constraints.Size;
 
 import org.lastaflute.web.validation.Required;
@@ -34,9 +35,11 @@ public class EditForm extends CreateForm {
     @Size(max = 255)
     public String updatedBy;
 
+    @Digits(integer = 19, fraction = 0)
     public Long updatedTime;
 
     @Required
+    @Digits(integer = 10, fraction = 0)
     public Integer versionNo;
 
 }
\ No newline at end of file
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/fileconfig/CreateForm.java b/src/main/java/org/codelibs/fess/app/web/admin/fileconfig/CreateForm.java
index 4a555b786..88f28f36b 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/fileconfig/CreateForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/fileconfig/CreateForm.java
@@ -18,6 +18,7 @@ package org.codelibs.fess.app.web.admin.fileconfig;
 
 import java.io.Serializable;
 
+import javax.validation.constraints.Digits;
 import javax.validation.constraints.Max;
 import javax.validation.constraints.Min;
 import javax.validation.constraints.Size;
@@ -40,6 +41,7 @@ public class CreateForm implements Serializable {
 
     public String[] labelTypeIds;
 
+    @Digits(integer = 10, fraction = 0)
     public Integer crudMode;
 
     @Required
@@ -68,25 +70,30 @@ public class CreateForm implements Serializable {
 
     @Min(value = 0)
     @Max(value = 2147483647)
+    @Digits(integer = 10, fraction = 0)
     public Integer depth;
 
     @Min(value = 0)
     @Max(value = 9223372036854775807l)
+    @Digits(integer = 19, fraction = 0)
     public Long maxAccessCount;
 
     @Required
     @Min(value = 0)
     @Max(value = 2147483647)
+    @Digits(integer = 10, fraction = 0)
     public Integer numOfThread;
 
     @Required
     @Min(value = 0)
     @Max(value = 2147483647)
+    @Digits(integer = 10, fraction = 0)
     public Integer intervalTime;
 
     @Required
     @Min(value = 0)
     @Max(value = 2147483647)
+    @Digits(integer = 10, fraction = 0)
     public Integer boost;
 
     @Required
@@ -96,6 +103,7 @@ public class CreateForm implements Serializable {
     @Required
     @Min(value = 0)
     @Max(value = 2147483647)
+    @Digits(integer = 10, fraction = 0)
     public Integer sortOrder;
 
     @Required
@@ -103,6 +111,7 @@ public class CreateForm implements Serializable {
     public String createdBy;
 
     @Required
+    @Digits(integer = 19, fraction = 0)
     public Long createdTime;
 
     public void initialize() {
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/fileconfig/EditForm.java b/src/main/java/org/codelibs/fess/app/web/admin/fileconfig/EditForm.java
index 58828fe81..a30a7e603 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/fileconfig/EditForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/fileconfig/EditForm.java
@@ -16,6 +16,7 @@
 
 package org.codelibs.fess.app.web.admin.fileconfig;
 
+import javax.validation.constraints.Digits;
 import javax.validation.constraints.Size;
 
 import org.lastaflute.web.validation.Required;
@@ -34,9 +35,11 @@ public class EditForm extends CreateForm {
     @Size(max = 1000)
     public String updatedBy;
 
+    @Digits(integer = 19, fraction = 0)
     public Long updatedTime;
 
     @Required
+    @Digits(integer = 10, fraction = 0)
     public Integer versionNo;
 
 }
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/general/EditForm.java b/src/main/java/org/codelibs/fess/app/web/admin/general/EditForm.java
index d91a00001..141d649a3 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/general/EditForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/general/EditForm.java
@@ -18,6 +18,7 @@ package org.codelibs.fess.app.web.admin.general;
 
 import java.io.Serializable;
 
+import javax.validation.constraints.Digits;
 import javax.validation.constraints.Max;
 import javax.validation.constraints.Min;
 import javax.validation.constraints.Size;
@@ -44,6 +45,7 @@ public class EditForm implements Serializable {
     @Required
     @Max(1000)
     @Min(-1)
+    @Digits(integer = 10, fraction = 0)
     public Integer dayForCleanup;
 
     @Required
@@ -81,6 +83,7 @@ public class EditForm implements Serializable {
     @Required
     @Max(10000)
     @Min(-1)
+    @Digits(integer = 10, fraction = 0)
     public Integer failureCountThreshold;
 
     @Size(max = 10)
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/group/GroupEditForm.java b/src/main/java/org/codelibs/fess/app/web/admin/group/GroupEditForm.java
index 86f624e73..da2f59e6b 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/group/GroupEditForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/group/GroupEditForm.java
@@ -25,7 +25,7 @@ public class GroupEditForm implements Serializable {
 
     private static final long serialVersionUID = 1L;
 
-    //@IntegerType
+    //@Digits(integer=10, fraction=0)
     public int crudMode;
 
     //@Required(target = "confirmfromupdate,update,delete")
@@ -37,7 +37,7 @@ public class GroupEditForm implements Serializable {
     public String name;
 
     //@Required(target = "confirmfromupdate,update,delete")
-    //@IntegerType
+    //@Digits(integer=10, fraction=0)
     public String versionNo;
 
     public void initialize() {
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/joblog/JobLogEditForm.java b/src/main/java/org/codelibs/fess/app/web/admin/joblog/JobLogEditForm.java
index c2e67bad0..276d1f3a3 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/joblog/JobLogEditForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/joblog/JobLogEditForm.java
@@ -26,11 +26,11 @@ public class JobLogEditForm implements Serializable {
 
     private static final long serialVersionUID = 1L;
 
-    //@IntegerType
+    //@Digits(integer=10, fraction=0)
     public int crudMode;
 
     //@Required(target = "confirmfromupdate,update,delete")
-    //@LongType
+    //@Digits(integer=19, fraction=0)
     public String id;
 
     //@Required(target = "confirmfromcreate,create,confirmfromupdate,update,delete")
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/keymatch/CreateForm.java b/src/main/java/org/codelibs/fess/app/web/admin/keymatch/CreateForm.java
index 1a80e6ca3..9e2315061 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/keymatch/CreateForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/keymatch/CreateForm.java
@@ -18,6 +18,7 @@ package org.codelibs.fess.app.web.admin.keymatch;
 
 import java.io.Serializable;
 
+import javax.validation.constraints.Digits;
 import javax.validation.constraints.Max;
 import javax.validation.constraints.Min;
 import javax.validation.constraints.Size;
@@ -57,6 +58,7 @@ public class CreateForm implements Serializable {
     public String createdBy;
 
     @Required
+    @Digits(integer = 19, fraction = 0)
     public Long createdTime;
 
     public void initialize() {
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/keymatch/EditForm.java b/src/main/java/org/codelibs/fess/app/web/admin/keymatch/EditForm.java
index 5e1d08a94..b7241a87c 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/keymatch/EditForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/keymatch/EditForm.java
@@ -16,6 +16,7 @@
 
 package org.codelibs.fess.app.web.admin.keymatch;
 
+import javax.validation.constraints.Digits;
 import javax.validation.constraints.Size;
 
 import org.lastaflute.web.validation.Required;
@@ -35,9 +36,11 @@ public class EditForm extends CreateForm {
     @Size(max = 255)
     public String updatedBy;
 
+    @Digits(integer = 19, fraction = 0)
     public Long updatedTime;
 
     @Required
+    @Digits(integer = 10, fraction = 0)
     public Integer versionNo;
 
 }
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/labeltype/CreateForm.java b/src/main/java/org/codelibs/fess/app/web/admin/labeltype/CreateForm.java
index 8d4788238..fc95b0868 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/labeltype/CreateForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/labeltype/CreateForm.java
@@ -18,6 +18,7 @@ package org.codelibs.fess.app.web.admin.labeltype;
 
 import java.io.Serializable;
 
+import javax.validation.constraints.Digits;
 import javax.validation.constraints.Max;
 import javax.validation.constraints.Min;
 import javax.validation.constraints.Pattern;
@@ -38,6 +39,7 @@ public class CreateForm implements Serializable {
 
     public String[] roleTypeIds;
 
+    @Digits(integer = 10, fraction = 0)
     public Integer crudMode;
 
     @Required
@@ -60,6 +62,7 @@ public class CreateForm implements Serializable {
     @Required
     @Min(value = 0)
     @Max(value = 2147483647)
+    @Digits(integer = 10, fraction = 0)
     public Integer sortOrder;
 
     @Required
@@ -67,6 +70,7 @@ public class CreateForm implements Serializable {
     public String createdBy;
 
     @Required
+    @Digits(integer = 19, fraction = 0)
     public Long createdTime;
 
     public void initialize() {
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/labeltype/EditForm.java b/src/main/java/org/codelibs/fess/app/web/admin/labeltype/EditForm.java
index f9e393c23..d44f0a32f 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/labeltype/EditForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/labeltype/EditForm.java
@@ -16,6 +16,7 @@
 
 package org.codelibs.fess.app.web.admin.labeltype;
 
+import javax.validation.constraints.Digits;
 import javax.validation.constraints.Size;
 
 import org.lastaflute.web.validation.Required;
@@ -34,9 +35,11 @@ public class EditForm extends CreateForm {
     @Size(max = 1000)
     public String updatedBy;
 
+    @Digits(integer = 19, fraction = 0)
     public Long updatedTime;
 
     @Required
+    @Digits(integer = 10, fraction = 0)
     public Integer versionNo;
 
 }
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/overlappinghost/CreateForm.java b/src/main/java/org/codelibs/fess/app/web/admin/overlappinghost/CreateForm.java
index f3e138b11..0178275fa 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/overlappinghost/CreateForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/overlappinghost/CreateForm.java
@@ -18,6 +18,7 @@ package org.codelibs.fess.app.web.admin.overlappinghost;
 
 import java.io.Serializable;
 
+import javax.validation.constraints.Digits;
 import javax.validation.constraints.Max;
 import javax.validation.constraints.Min;
 import javax.validation.constraints.Size;
@@ -34,6 +35,7 @@ public class CreateForm implements Serializable {
 
     private static final long serialVersionUID = 1L;
 
+    @Digits(integer = 10, fraction = 0)
     public Integer crudMode;
 
     @Required
@@ -47,6 +49,7 @@ public class CreateForm implements Serializable {
     @Required
     @Min(value = 0)
     @Max(value = 2147483647)
+    @Digits(integer = 10, fraction = 0)
     public Integer sortOrder;
 
     @Required
@@ -54,6 +57,7 @@ public class CreateForm implements Serializable {
     public String createdBy;
 
     @Required
+    @Digits(integer = 19, fraction = 0)
     public Long createdTime;
 
     public void initialize() {
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/overlappinghost/EditForm.java b/src/main/java/org/codelibs/fess/app/web/admin/overlappinghost/EditForm.java
index e4a651ae2..9290f90f4 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/overlappinghost/EditForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/overlappinghost/EditForm.java
@@ -16,6 +16,7 @@
 
 package org.codelibs.fess.app.web.admin.overlappinghost;
 
+import javax.validation.constraints.Digits;
 import javax.validation.constraints.Size;
 
 import org.lastaflute.web.validation.Required;
@@ -34,9 +35,11 @@ public class EditForm extends CreateForm {
     @Size(max = 1000)
     public String updatedBy;
 
+    @Digits(integer = 19, fraction = 0)
     public Long updatedTime;
 
     @Required
+    @Digits(integer = 10, fraction = 0)
     public Integer versionNo;
 
 }
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/pathmapping/CreateForm.java b/src/main/java/org/codelibs/fess/app/web/admin/pathmapping/CreateForm.java
index 5c4112186..940855657 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/pathmapping/CreateForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/pathmapping/CreateForm.java
@@ -18,6 +18,7 @@ package org.codelibs.fess.app.web.admin.pathmapping;
 
 import java.io.Serializable;
 
+import javax.validation.constraints.Digits;
 import javax.validation.constraints.Max;
 import javax.validation.constraints.Min;
 import javax.validation.constraints.Size;
@@ -35,6 +36,7 @@ public class CreateForm implements Serializable {
 
     private static final long serialVersionUID = 1L;
 
+    @Digits(integer = 10, fraction = 0)
     public Integer crudMode;
 
     @Required
@@ -51,6 +53,7 @@ public class CreateForm implements Serializable {
     @Required
     @Min(value = 0)
     @Max(value = 2147483647)
+    @Digits(integer = 10, fraction = 0)
     public Integer sortOrder;
 
     @Required
@@ -58,6 +61,7 @@ public class CreateForm implements Serializable {
     public String createdBy;
 
     @Required
+    @Digits(integer = 19, fraction = 0)
     public Long createdTime;
 
     public void initialize() {
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/pathmapping/EditForm.java b/src/main/java/org/codelibs/fess/app/web/admin/pathmapping/EditForm.java
index 055c3e8c6..fb28744e1 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/pathmapping/EditForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/pathmapping/EditForm.java
@@ -16,6 +16,7 @@
 
 package org.codelibs.fess.app.web.admin.pathmapping;
 
+import javax.validation.constraints.Digits;
 import javax.validation.constraints.Size;
 
 import org.lastaflute.web.validation.Required;
@@ -34,9 +35,11 @@ public class EditForm extends CreateForm {
     @Size(max = 1000)
     public String updatedBy;
 
+    @Digits(integer = 19, fraction = 0)
     public Long updatedTime;
 
     @Required
+    @Digits(integer = 10, fraction = 0)
     public Integer versionNo;
 
 }
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/requestheader/CreateForm.java b/src/main/java/org/codelibs/fess/app/web/admin/requestheader/CreateForm.java
index ee2f7e677..f8b0de390 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/requestheader/CreateForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/requestheader/CreateForm.java
@@ -18,6 +18,7 @@ package org.codelibs.fess.app.web.admin.requestheader;
 
 import java.io.Serializable;
 
+import javax.validation.constraints.Digits;
 import javax.validation.constraints.Size;
 
 import org.codelibs.fess.app.web.CrudMode;
@@ -33,6 +34,7 @@ public class CreateForm implements Serializable {
 
     private static final long serialVersionUID = 1L;
 
+    @Digits(integer = 10, fraction = 0)
     public Integer crudMode;
 
     @Required
@@ -52,6 +54,7 @@ public class CreateForm implements Serializable {
     public String createdBy;
 
     @Required
+    @Digits(integer = 19, fraction = 0)
     public Long createdTime;
 
     public void initialize() {
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/requestheader/EditForm.java b/src/main/java/org/codelibs/fess/app/web/admin/requestheader/EditForm.java
index fcf00eb76..6e43fad92 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/requestheader/EditForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/requestheader/EditForm.java
@@ -16,6 +16,7 @@
 
 package org.codelibs.fess.app.web.admin.requestheader;
 
+import javax.validation.constraints.Digits;
 import javax.validation.constraints.Size;
 
 import org.lastaflute.web.validation.Required;
@@ -34,9 +35,11 @@ public class EditForm extends CreateForm {
     @Size(max = 1000)
     public String updatedBy;
 
+    @Digits(integer = 19, fraction = 0)
     public Long updatedTime;
 
     @Required
+    @Digits(integer = 10, fraction = 0)
     public Integer versionNo;
 
 }
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/role/RoleEditForm.java b/src/main/java/org/codelibs/fess/app/web/admin/role/RoleEditForm.java
index 45f5c61e7..0e917b5e7 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/role/RoleEditForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/role/RoleEditForm.java
@@ -25,7 +25,7 @@ public class RoleEditForm implements Serializable {
 
     private static final long serialVersionUID = 1L;
 
-    //@IntegerType
+    //@Digits(integer=10, fraction=0)
     public int crudMode;
 
     //@Required(target = "confirmfromupdate,update,delete")
@@ -37,7 +37,7 @@ public class RoleEditForm implements Serializable {
     public String name;
 
     //@Required(target = "confirmfromupdate,update,delete")
-    //@IntegerType
+    //@Digits(integer=10, fraction=0)
     public String versionNo;
 
     public void initialize() {
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/roletype/CreateForm.java b/src/main/java/org/codelibs/fess/app/web/admin/roletype/CreateForm.java
index 8f22b716f..07a1af0ed 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/roletype/CreateForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/roletype/CreateForm.java
@@ -18,6 +18,7 @@ package org.codelibs.fess.app.web.admin.roletype;
 
 import java.io.Serializable;
 
+import javax.validation.constraints.Digits;
 import javax.validation.constraints.Max;
 import javax.validation.constraints.Min;
 import javax.validation.constraints.Pattern;
@@ -35,6 +36,7 @@ public class CreateForm implements Serializable {
 
     private static final long serialVersionUID = 1L;
 
+    @Digits(integer = 10, fraction = 0)
     public Integer crudMode;
 
     @Required
@@ -49,6 +51,7 @@ public class CreateForm implements Serializable {
     @Required
     @Min(value = 0)
     @Max(value = 2147483647)
+    @Digits(integer = 10, fraction = 0)
     public Integer sortOrder;
 
     @Required
@@ -56,6 +59,7 @@ public class CreateForm implements Serializable {
     public String createdBy;
 
     @Required
+    @Digits(integer = 19, fraction = 0)
     public Long createdTime;
 
     public void initialize() {
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/roletype/EditForm.java b/src/main/java/org/codelibs/fess/app/web/admin/roletype/EditForm.java
index 7d229514f..e0ed7818c 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/roletype/EditForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/roletype/EditForm.java
@@ -16,6 +16,7 @@
 
 package org.codelibs.fess.app.web.admin.roletype;
 
+import javax.validation.constraints.Digits;
 import javax.validation.constraints.Size;
 
 import org.lastaflute.web.validation.Required;
@@ -34,9 +35,11 @@ public class EditForm extends CreateForm {
     @Size(max = 1000)
     public String updatedBy;
 
+    @Digits(integer = 19, fraction = 0)
     public Long updatedTime;
 
     @Required
+    @Digits(integer = 10, fraction = 0)
     public Integer versionNo;
 
 }
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/scheduledjob/ScheduledjobEditForm.java b/src/main/java/org/codelibs/fess/app/web/admin/scheduledjob/ScheduledjobEditForm.java
index 53655aedc..eea1e4562 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/scheduledjob/ScheduledjobEditForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/scheduledjob/ScheduledjobEditForm.java
@@ -29,7 +29,7 @@ public class ScheduledjobEditForm implements Serializable {
 
     private static final long serialVersionUID = 1L;
 
-    //@IntegerType
+    //@Digits(integer=10, fraction=0)
     public int crudMode;
 
     //@Required(target = "confirmfromupdate,update,delete")
@@ -66,7 +66,7 @@ public class ScheduledjobEditForm implements Serializable {
     public String available;
 
     //@Required(target = "confirmfromcreate,create,confirmfromupdate,update,delete")
-    //@IntegerType
+    //@Digits(integer=10, fraction=0)
     //@IntRange(min = 0, max = 2147483647)
     public String sortOrder;
 
@@ -74,16 +74,16 @@ public class ScheduledjobEditForm implements Serializable {
     public String createdBy;
 
     //@Required(target = "confirmfromupdate,update,delete")
-    //@LongType
+    //@Digits(integer=19, fraction=0)
     public String createdTime;
 
     public String updatedBy;
 
-    //@LongType
+    //@Digits(integer=19, fraction=0)
     public String updatedTime;
 
     //@Required(target = "confirmfromupdate,update,delete")
-    //@IntegerType
+    //@Digits(integer=10, fraction=0)
     public String versionNo;
 
     public void initialize() {
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/searchlist/SearchListForm.java b/src/main/java/org/codelibs/fess/app/web/admin/searchlist/SearchListForm.java
index 852696a13..20d86bc11 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/searchlist/SearchListForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/searchlist/SearchListForm.java
@@ -29,13 +29,13 @@ public class SearchListForm implements Serializable {
     //@Maxbytelength(maxbytelength = 1000)
     public String query;
 
-    //@IntegerType
+    //@Digits(integer=10, fraction=0)
     public String start;
 
-    //@IntegerType
+    //@Digits(integer=10, fraction=0)
     public String pn;
 
-    //@IntegerType
+    //@Digits(integer=10, fraction=0)
     public String num;
 
     //@Required(target = "confirmDelete,delete")
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/suggestbadword/SuggestBadWordEditForm.java b/src/main/java/org/codelibs/fess/app/web/admin/suggestbadword/SuggestBadWordEditForm.java
index 7d16aabff..fc0ad5ff4 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/suggestbadword/SuggestBadWordEditForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/suggestbadword/SuggestBadWordEditForm.java
@@ -30,12 +30,12 @@ public class SuggestBadWordEditForm implements Serializable {
 
     private static final long serialVersionUID = 1L;
 
-    //@IntegerType
+    //@Digits(integer=10, fraction=0)
     public String pageNumber;
 
     public Map<String, String> searchParams = new HashMap<String, String>();
 
-    //@IntegerType
+    //@Digits(integer=10, fraction=0)
     public int crudMode;
 
     public String getCurrentPageNumber() {
@@ -64,17 +64,17 @@ public class SuggestBadWordEditForm implements Serializable {
     public String createdBy;
 
     //@Required(target = "confirmfromupdate,update,delete")
-    //@LongType
+    //@Digits(integer=19, fraction=0)
     public String createdTime;
 
     //@Maxbytelength(maxbytelength = 255)
     public String updatedBy;
 
-    //@LongType
+    //@Digits(integer=19, fraction=0)
     public String updatedTime;
 
     //@Required(target = "confirmfromupdate,update,delete")
-    //@IntegerType
+    //@Digits(integer=10, fraction=0)
     public String versionNo;
 
     public void initialize() {
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/suggestelevateword/SuggestElevateWordEditForm.java b/src/main/java/org/codelibs/fess/app/web/admin/suggestelevateword/SuggestElevateWordEditForm.java
index 3807afc4a..fad353cea 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/suggestelevateword/SuggestElevateWordEditForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/suggestelevateword/SuggestElevateWordEditForm.java
@@ -30,12 +30,12 @@ public class SuggestElevateWordEditForm implements Serializable {
 
     private static final long serialVersionUID = 1L;
 
-    //@IntegerType
+    //@Digits(integer=10, fraction=0)
     public String pageNumber;
 
     public Map<String, String> searchParams = new HashMap<String, String>();
 
-    //@IntegerType
+    //@Digits(integer=10, fraction=0)
     public int crudMode;
 
     public String getCurrentPageNumber() {
@@ -64,17 +64,17 @@ public class SuggestElevateWordEditForm implements Serializable {
     public String createdBy;
 
     //@Required(target = "confirmfromupdate,update,delete")
-    //@LongType
+    //@Digits(integer=19, fraction=0)
     public String createdTime;
 
     //@Maxbytelength(maxbytelength = 255)
     public String updatedBy;
 
-    //@LongType
+    //@Digits(integer=19, fraction=0)
     public String updatedTime;
 
     //@Required(target = "confirmfromupdate,update,delete")
-    //@IntegerType
+    //@Digits(integer=10, fraction=0)
     public String versionNo;
 
     public void initialize() {
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/user/AdminUserAction.java b/src/main/java/org/codelibs/fess/app/web/admin/user/AdminUserAction.java
index 2114b28a6..2e2b21860 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/user/AdminUserAction.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/user/AdminUserAction.java
@@ -25,9 +25,9 @@ import javax.annotation.Resource;
 import org.codelibs.core.lang.StringUtil;
 import org.codelibs.fess.Constants;
 import org.codelibs.fess.app.pager.UserPager;
-import org.codelibs.fess.app.service.UserService;
 import org.codelibs.fess.app.service.GroupService;
 import org.codelibs.fess.app.service.RoleService;
+import org.codelibs.fess.app.service.UserService;
 import org.codelibs.fess.app.web.CrudMode;
 import org.codelibs.fess.app.web.base.FessAdminAction;
 import org.codelibs.fess.es.exentity.User;
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/user/CreateForm.java b/src/main/java/org/codelibs/fess/app/web/admin/user/CreateForm.java
index 8c8a0060b..1265fd441 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/user/CreateForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/user/CreateForm.java
@@ -18,6 +18,7 @@ package org.codelibs.fess.app.web.admin.user;
 
 import java.io.Serializable;
 
+import javax.validation.constraints.Digits;
 import javax.validation.constraints.Size;
 
 import org.lastaflute.web.validation.Required;
@@ -30,6 +31,7 @@ public class CreateForm implements Serializable {
 
     private static final long serialVersionUID = 1L;
 
+    @Digits(integer = 10, fraction = 0)
     public Integer crudMode;
 
     @Required
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/user/EditForm.java b/src/main/java/org/codelibs/fess/app/web/admin/user/EditForm.java
index eefa99b34..7fd98d7fb 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/user/EditForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/user/EditForm.java
@@ -16,6 +16,7 @@
 
 package org.codelibs.fess.app.web.admin.user;
 
+import javax.validation.constraints.Digits;
 import javax.validation.constraints.Size;
 
 import org.lastaflute.web.validation.Required;
@@ -32,6 +33,7 @@ public class EditForm extends CreateForm {
     public String id;
 
     @Required
+    @Digits(integer = 10, fraction = 0)
     public Integer versionNo;
 
 }
\ No newline at end of file
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/webauthentication/CreateForm.java b/src/main/java/org/codelibs/fess/app/web/admin/webauthentication/CreateForm.java
index 437182339..ecfaad8d5 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/webauthentication/CreateForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/webauthentication/CreateForm.java
@@ -18,6 +18,7 @@ package org.codelibs.fess.app.web.admin.webauthentication;
 
 import java.io.Serializable;
 
+import javax.validation.constraints.Digits;
 import javax.validation.constraints.Max;
 import javax.validation.constraints.Min;
 import javax.validation.constraints.Size;
@@ -34,6 +35,7 @@ public class CreateForm implements Serializable {
 
     private static final long serialVersionUID = 1L;
 
+    @Digits(integer = 10, fraction = 0)
     public Integer crudMode;
 
     @Size(max = 100)
@@ -41,6 +43,7 @@ public class CreateForm implements Serializable {
 
     @Min(value = 0)
     @Max(value = 2147483647)
+    @Digits(integer = 10, fraction = 0)
     public Integer port;
 
     @Size(max = 100)
@@ -68,6 +71,7 @@ public class CreateForm implements Serializable {
     public String createdBy;
 
     @Required
+    @Digits(integer = 19, fraction = 0)
     public Long createdTime;
 
     public void initialize() {
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/webauthentication/EditForm.java b/src/main/java/org/codelibs/fess/app/web/admin/webauthentication/EditForm.java
index a70b466f5..7ec8314e6 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/webauthentication/EditForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/webauthentication/EditForm.java
@@ -16,6 +16,7 @@
 
 package org.codelibs.fess.app.web.admin.webauthentication;
 
+import javax.validation.constraints.Digits;
 import javax.validation.constraints.Size;
 
 import org.lastaflute.web.validation.Required;
@@ -35,9 +36,11 @@ public class EditForm extends CreateForm {
     @Size(max = 255)
     public String updatedBy;
 
+    @Digits(integer = 19, fraction = 0)
     public Long updatedTime;
 
     @Required
+    @Digits(integer = 10, fraction = 0)
     public Integer versionNo;
 
 }
\ No newline at end of file
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/webconfig/CreateForm.java b/src/main/java/org/codelibs/fess/app/web/admin/webconfig/CreateForm.java
index 1233bd9d7..72aff7be0 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/webconfig/CreateForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/webconfig/CreateForm.java
@@ -18,6 +18,7 @@ package org.codelibs.fess.app.web.admin.webconfig;
 
 import java.io.Serializable;
 
+import javax.validation.constraints.Digits;
 import javax.validation.constraints.Max;
 import javax.validation.constraints.Min;
 import javax.validation.constraints.Size;
@@ -42,6 +43,7 @@ public class CreateForm implements Serializable {
 
     public String[] labelTypeIds;
 
+    @Digits(integer = 10, fraction = 0)
     public Integer crudMode;
 
     @Required
@@ -70,10 +72,12 @@ public class CreateForm implements Serializable {
 
     @Min(value = 0)
     @Max(value = 2147483647)
+    @Digits(integer = 10, fraction = 0)
     public Integer depth;
 
     @Min(value = 0)
     @Max(value = 9223372036854775807l)
+    @Digits(integer = 19, fraction = 0)
     public Long maxAccessCount;
 
     @Required
@@ -83,16 +87,19 @@ public class CreateForm implements Serializable {
     @Required
     @Min(value = 0)
     @Max(value = 2147483647)
+    @Digits(integer = 10, fraction = 0)
     public Integer numOfThread;
 
     @Required
     @Min(value = 0)
     @Max(value = 2147483647)
+    @Digits(integer = 10, fraction = 0)
     public Integer intervalTime;
 
     @Required
     @Min(value = 0)
     @Max(value = 2147483647)
+    @Digits(integer = 10, fraction = 0)
     public Integer boost;
 
     @Required
@@ -102,6 +109,7 @@ public class CreateForm implements Serializable {
     @Required
     @Min(value = 0)
     @Max(value = 2147483647)
+    @Digits(integer = 10, fraction = 0)
     public Integer sortOrder;
 
     @Required
@@ -109,6 +117,7 @@ public class CreateForm implements Serializable {
     public String createdBy;
 
     @Required
+    @Digits(integer = 19, fraction = 0)
     public Long createdTime;
 
     public void initialize() {
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/webconfig/EditForm.java b/src/main/java/org/codelibs/fess/app/web/admin/webconfig/EditForm.java
index 833ecfbe7..4d2910358 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/webconfig/EditForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/webconfig/EditForm.java
@@ -16,6 +16,7 @@
 
 package org.codelibs.fess.app.web.admin.webconfig;
 
+import javax.validation.constraints.Digits;
 import javax.validation.constraints.Size;
 
 import org.lastaflute.web.validation.Required;
@@ -34,9 +35,11 @@ public class EditForm extends CreateForm {
     @Size(max = 1000)
     public String updatedBy;
 
+    @Digits(integer = 19, fraction = 0)
     public Long updatedTime;
 
     @Required
+    @Digits(integer = 10, fraction = 0)
     public Integer versionNo;
 
 }
diff --git a/src/main/java/org/codelibs/fess/app/web/search/SearchForm.java b/src/main/java/org/codelibs/fess/app/web/search/SearchForm.java
index c058a9624..e572d8d23 100644
--- a/src/main/java/org/codelibs/fess/app/web/search/SearchForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/search/SearchForm.java
@@ -47,10 +47,10 @@ public class SearchForm implements SearchRequestParams, Serializable {
     //@Maxbytelength(maxbytelength = 10)
     public String op;
 
-    //@IntegerType
+    //@Digits(integer=10, fraction=0)
     public String start;
 
-    //@IntegerType
+    //@Digits(integer=10, fraction=0)
     public String pn;
 
     //@Maxbytelength(maxbytelength = 1000)