Changing localWorkers to 1 didn't fix the issue (tried increasing them
gradually as well). *build.log* doesn't show anything:
```
Public resources found in...
Translatable source found in...
Persistent unit cache dir set to: /home/ahumaidat/sourcegit/ds/gwt-unitCache
Opening cache file:
/home/ahumaidat/sourcegit/ds/gwt-unitCache/gwt-unitCache-7b9fbb59f8661539c34f46974ce5fb573aac79fc-C90BB3B791D3293DB8D5BA1AB0A974D4-0000018681BB19A8
Looking for previously cached Compilation Units in
/home/ahumaidat/sourcegit/ds/gwt-unitCache
Loaded 0 units from cache file:
gwt-unitCache-7b9fbb59f8661539c34f46974ce5fb573aac79fc-C90BB3B791D3293DB8D5BA1AB0A974D4-000001867EC1D3D6
Loaded 0 units from cache file:
gwt-unitCache-7b9fbb59f8661539c34f46974ce5fb573aac79fc-C90BB3B791D3293DB8D5BA1AB0A974D4-000001867EC29ADF
Loaded 0 units from cache file:
gwt-unitCache-7b9fbb59f8661539c34f46974ce5fb573aac79fc-C90BB3B791D3293DB8D5BA1AB0A974D4-000001867ECC816B
Loaded 0 units from cache file:
gwt-unitCache-7b9fbb59f8661539c34f46974ce5fb573aac79fc-C90BB3B791D3293DB8D5BA1AB0A974D4-000001867ED36467
Compiling module com.automation.core.ds
```
On Friday, February 24, 2023 at 5:45:34 AM UTC+3 Jonathan Baxter wrote:
> 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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