Try changing localWorkers to 1?
On Thursday, February 23, 2023 at 9:14:03 AM UTC-5 Alaa Humaidat wrote:
> I'm working on upgrading an app that uses GWT and embedded jetty server
> from java 8 to java 11. The app was working fine with jetty 9, GWT 2.10.0
> before the upgrade. After upgrading to java 11- Jetty 11, the compilation
> for GWT got stuck.
>
> I removed all unused dependencies, upgraded existing ones to their latest
> version (compatible with Java11), tried to increase Xmx and Xss for the
> compilation target, and tried to add workers, but nothing worked.
>
> I used `jstack` to check the processes threads, which showed a deadlock
> (result attached).
>
> Below is the ant target I'm using to build GWT:
>
> ```
> <target name="compile.gwt" description="build applications"
> depends="compile">
> <java jvm="${home}/apps64/java11/bin/java" failonerror="true"
> classname="com.google.gwt.dev.Compiler"
> fork="true"
> output="build.log">
> <classpath>
> <path refid="local.class.path"/>
> </classpath>
> <jvmarg line="-Xmx1024M"/>
> <jvmarg line="-Xss16M"/>
> <arg value="-style"/>
> <arg value="DETAILED"/>
> <arg value="-localWorkers"/>
> <arg value="16"/>
> <arg value="-logLevel"/>
> <arg value="DEBUG"/>
> <arg value="-optimize"/>
> <arg value="5"/>
> <arg value="com.automation.core.ds"/>
> </java>
> </target>
> ```
>
> How can I fix that?
>
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