If the heap memory is insufficient to run the replication, tomcat will lead to the error as shown below.
Completed Request:db_setup Exception in thread "Thread-4" java.lang.OutOfMemoryError: Java heap space at java.util.Arrays.copyOfRange(Unknown Source)
This issue can be resolved by following the below steps.
Go to installation folder DBSyncCReplSF3 and then open bin folder. Identify the tomcat file catalina.bat in the bin folder.
Right-click on the file catalina.bat to select edit. In catalina.bat file, search for the command set CATALINA_OPTS=
If set CATALINA_OPTS command is found, edit the values for Xms & Xmx to 1024. Usually, this command will be available in the beginning, right after the command set JRE_HOME=..\jre1.7.0_13. The new command must be CATALINA_OPTS="-Xms1024m --Xmx1024m"
If set CATALINA_OPTS command is not found, including the new command to edit the default values for Xms & Xmx. The new command must be CATALINA_OPTS="-Xms1024m --Xmx1024m" and must be placed after the command set JRE_HOME=..\jre1.7.0_13
If Windows service is used to run DBSync Cloud Replication, windows service must be re-registered before running the Replication.
