I am using log4j properties to capture the logs.i wants to remove error info from INFO file.
**
INFO
** file is below:
5:39:02,068 INFO BluSyncLauncher:156 - Application started
05:39:02,080 INFO BluSyncLauncher:586 - Loading UI 05:39:02,263 INFO BackupCrawlDAOImpl:470 - sqlExeception in CREATE_ACTIVITY_TABLEjava.sql.SQLException: [SQLITE_ERROR] SQL error or missing database (duplicate column name: IsFolder)
05:39:02,264 **
ERROR
** BackupActivityHistoryDAOImpl:706 - sqlExeception in CREATE_ACTIVITY_TABLEjava.sql.SQLException: [SQLITE_ERROR] SQL error or missing database (duplicate column name: restartid) 05:39:03,803 INFO BluSyncLauncher:533 - Started crawl (backup) 05:39:03,827 INFO BluSyncLauncher:543 - Starting Activity Timer 05:39:03,860 INFO BluSyncLauncher:557 - Load SystemTrayUI
05:39:10,612 **
ERROR
** BackupPolicyDAOImpl:280 - SQLException while inserting backup policy details java.sql.SQLException: [SQLITE_CONSTRAINT] Abort due to constraint violation (BACKUP_POLICY.policyGroupName may not be NULL) at org.sqlite.DB.newSQLException(DB.java:383) at org.sqlite.DB.newSQLException(DB.java:387) at org.sqlite.DB.execute(DB.java:342) at org.sqlite.PrepStmt.execute(PrepStmt.java:65) at com.parablu.epa.common.dao.BackupPolicyDAOImpl.insertBackupPolicyDetailsToTable(BackupPolicyDAOImpl.java:273) at com.parablu.epa.common.service.settings.PolicyManagementServerHelper.createGroupPolicyAndChildDetails(PolicyManagementServerHelper.java:306) at com.parablu.epa.common.service.settings.PolicyManagementServerHelper.loadBackupPolicyElement(PolicyManagementServerHelper.java:245) at com.parablu.epa.service.backup.LinuxCheckBackupPolicy.checkGroupPolicy(LinuxCheckBackupPolicy.java:140) at com.parablu.epa.service.alarm.LinuxPolicyRefreshHelper$1.run(LinuxPolicyRefreshHelper.java:55) at java.util.TimerThread.mainLoop(Timer.java:555) at java.util.TimerThread.run(Timer.java:505)