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Bug
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Resolution: Unresolved
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Major
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None
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linux redhat 9, openjdk 17, jenkins 2.492.1
there is an error at the start of jenkins and when i try to build i have an error that probably is for the same problem.
This is at the start of jenkins
feb 18, 2025 2:39:58 P. M. ADVERTENCIA hudson.plugins.gradle.injection.DevelocityComputerListener onOnline
Invocation of onOnline failed for java.lang.NullPointerException: Cannot invoke "java.util.Map.size()" because "map" is null at java.base/java.util.TreeMap.putAll(TreeMap.java:314) at hudson.slaves.EnvironmentVariablesNodeProperty.buildEnvVars(EnvironmentVariablesNodeProperty.java:87) at hudson.model.Computer.buildEnvironment(Computer.java:1190) at PluginClassLoader for gradle//hudson.plugins.gradle.injection.DevelocityComputerListener.onOnline(DevelocityComputerListener.java:58) at jenkins.model.Jenkins.<init>(Jenkins.java:1017) at hudson.model.Hudson.<init>(Hudson.java:102) at hudson.model.Hudson.<init>(Hudson.java:87) at hudson.WebAppMain$3.run(WebAppMain.java:249)
This is when i try to build a project
[EnvInject] - Loading node environment variables.
FATAL: Cannot invoke "java.util.Map.size()" because "m" is null
java.lang.NullPointerException: Cannot invoke "java.util.Map.size()" because "m" is null
at java.base/java.util.HashMap.putMapEntries(HashMap.java:495)
at java.base/java.util.HashMap.putAll(HashMap.java:783)
at PluginClassLoader for envinject//org.jenkinsci.plugins.envinject.service.EnvironmentVariablesNodeLoader.gatherEnvVarsForNode(EnvironmentVariablesNodeLoader.java:68)
at PluginClassLoader for envinject//org.jenkinsci.plugins.envinject.EnvInjectListener.loadEnvironmentVariablesNode(EnvInjectListener.java:78)
at PluginClassLoader for envinject//org.jenkinsci.plugins.envinject.EnvInjectListener.setUpEnvironment(EnvInjectListener.java:42)
at hudson.model.AbstractBuild$AbstractBuildExecution.createLauncher(AbstractBuild.java:617)
at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:486)
at hudson.model.Run.execute(Run.java:1833)
at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:44)
at hudson.model.ResourceController.execute(ResourceController.java:101)
at hudson.model.Executor.run(Executor.java:446)
[JENKINS-75298] Error at the start and can't build
Iurii Ignatko
added a comment - hey jnavarrete !
Looking at this, I didn't find anything so far that would point to the Gradle Plugin being the issue. The problem happens when the environment variables are being queried from the Jenkins itself.
Does removing the plugin or turning off the injection work for you?
Iurii Ignatko
added a comment - hey jnavarrete !
Looking at this, I didn't find anything so far that would point to the Gradle Plugin being the issue. The problem happens when the environment variables are being queried from the Jenkins itself.
Does removing the plugin or turning off the injection work for you? 
hey jnavarrete !
We are looking into the issue, I'll keep you posted regarding the status.
Would you, please, provide the following information in the meantime:
1) Version of the Jenkins Gradle Plugin you're using.
2) The configuration of the Develocity Injection. I assume you have it enabled, so would be good to know which options are specified.
Did you get this error after the upgrade or on a fresh installation?
Thanks!