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Editorial Team
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Asked: 2026-05-19T01:29:31+00:00

Where are the HeapDumpOnOutOfMemoryError and HeapDumpPath params set in the startup.bat file for Tomcat

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Where are the HeapDumpOnOutOfMemoryError and HeapDumpPath params set in the startup.bat file for Tomcat on a Windows PC? I put both params in the file as follows :

set JAVA_OPTS=-Xms100m -Xmx192m
-XX:+HeapDumpOnOutOfMemoryError 
-XX:HeapDumpPath=c:\jakarta-tomcat\webapps

call "%EXECUTABLE%" start %CMD_LINE_ARGS%

:end

Is that the area where those params should go? I’m getting the following message when I startup Tomcat >
The filename, directory name, or volume label syntax is incorrect.

I’m not sure what part of the statement is incorrect. What am I missing here?

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1 Answer

  1. Editorial Team

    If you want to split a command into several lines, you have to escape the newlines.

    set JAVA_OPTS=-Xms100m -Xmx192m ^
-XX:+HeapDumpOnOutOfMemoryError ^
-XX:HeapDumpPath=c:\jakarta-tomcat\webapps
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