Embedded Files
Apache Tomcat Memory Settings on Windows
Apache Tomcat Memory Settings on Windows
Note: The values mentioned here can be set as a benchmark. If you continue to get out of memory errors then increase the values as needed. If you increase some of the values by too much and your server doesn't have the resources, the tomcat service will not start.
Note: The values mentioned here can be set as a benchmark. If you continue to get out of memory errors then increase the values as needed. If you increase some of the values by too much and your server doesn't have the resources, the tomcat service will not start.
Errors resolved by following the instructions below:
Errors resolved by following the instructions below:
java.lang.OutOfMemoryError: PermGen space
java.lang.OutOfMemoryError: Java heap space
Using Tomcat Configurator
Using Tomcat Configurator
Launch the tomcat Configurator. Select the "Java" tab
Launch the tomcat Configurator. Select the "Java" tab
Set the Values for:
Initial memory pool: 256 (MB)
Maximum memory pool: 1024 (MB)
Thread stack size: 256 (KB)
Add the Java Options:
-XX:PermSize=128m
-XX:MaxPermSize=128m
Using Registry Editor
Using Registry Editor
If the Tomcat Configurator is not installed then the memory values can be set via the registry. Remember to export the Registry prior to completing any updates
If the Tomcat Configurator is not installed then the memory values can be set via the registry. Remember to export the Registry prior to completing any updates
At the Windows Start button, enter "Regedit" in the "Run" box
Navigate to the Apache Tomcat Settings within:
My Computer / HKEY_LOCAL_MACHINE / SOFTWARE / Apache Software Foundation / Procrun 2.0 / Tomcat6 / Parameters / Java
Add the following Parameters:
Set the Values for:
Type: "REG_DWORD" Name: "JvmMs" (Initial memory pool): 256 Decimal (MB)
Type: "REG_DWORD" Name: "JvmMx" (Maximum memory pool): 1024 Decimal (MB)
Type: "REG_DWORD" Name: "JvmSs" (Thread stack size): 256 Decimal (KB)
Add the following Options:
-XX:PermSize=128m
-XX:MaxPermSize=128m
Tomcat Running as a Batch Process
Tomcat Running as a Batch Process
If the Tomcat server is running as a batch process within Windows or within UNIX as a process then you should create a "setenv.bat" ("setenv.sh" in UNIX) within the Tomcat /bin folder.
If the Tomcat server is running as a batch process within Windows or within UNIX as a process then you should create a "setenv.bat" ("setenv.sh" in UNIX) within the Tomcat /bin folder.
JAVA_OPTS="$JAVA_OPTS -Xms128M -Xmx1024M -XX:PermSize=128m -XX:MaxPermSize=128m"
Save the changes to the file and restart the tomcat process
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