Cannot run program "/usr/lib/jvm/java-8-openjdk-amd64/jre/bin/javac"
#619
Comments
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This problem is triggered by the following maven config: |
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Please provide a complete standalone reproducer like described in here, otherwise there's no way to help. |
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Happened to me as well. The situation occurs when the environment variable |
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Can't say what happens exactly on your setup. I'd say the issue if with your setup and you have to provide a proper JDK and note a simple JRE if you want to compile Java code too. I'm closing for now. I'll reopen if someone finds an issue with the Java resolution and provides a reproducer. |
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@slandelle yes, in my case I have Java sources as well. And I provide a JDK, not a JRE, but not in the environment variable |
Why? Why would it have precedence over the JVM that was used to launch maven? |
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Because the JVM that was used to launch Maven is a JDK. It's the java executable from a JDK. |
Yes |
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Here you go. To reproduce the error:
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This is a Windows specific error and I don't have a Windows machine. @roti Could you please provide me with the full content layout of your |
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@slandelle It's the JDK from the Temurin Project: https://adoptium.net/temurin/releases/?version=8 |
slandelle
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Jul 15, 2022
Motivation: 1. We should prefer the Java installation used to run maven to what's defined in JAVA_HOME 2. We should prefer JDK over JRE (for old versions that used to have one) as we need javac for compiling Java code in mixed projects Modifications: Resolve with the following chain: * prefer toolchain if defined * try to use "java.home" System prop to resolve a JDK, a JRE otherwise * fall back to JAVA_HOME env var Result: Behavior consistent with `maven-compiler-plugin` and `org.codehaus.plexus.compiler.javac.JavacCompiler#getJavacExecutable`. In particular: * we no longer unexpectedly jump to a different Java install because JAVA_HOME env var is defined * we no longer crash on Java 8 when trying to compile mixed projects and JAVA_HOME env var is undefined or doesn't point to a JDK.
slandelle
added a commit
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Jul 17, 2022
Motivation: 1. We should prefer the Java installation used to run maven to what's defined in JAVA_HOME 2. We should prefer JDK over JRE (for old versions that used to have one) as we need javac for compiling Java code in mixed projects Modifications: Resolve with the following chain: * prefer toolchain if defined * try to use "java.home" System prop to resolve a JDK, a JRE otherwise * fall back to JAVA_HOME env var Result: Behavior consistent with `maven-compiler-plugin` and `org.codehaus.plexus.compiler.javac.JavacCompiler#getJavacExecutable`. In particular: * we no longer unexpectedly jump to a different Java install because JAVA_HOME env var is defined * we no longer crash on Java 8 when trying to compile mixed projects and JAVA_HOME env var is undefined or doesn't point to a JDK.
slandelle
added a commit
to gatling/gatling-maven-plugin
that referenced
this issue
Jul 18, 2022
Motivation: gatling-maven-plugin and the bundle have to locate the java executable in order to spawn a forked process to run Gatling. The current strategy is broken: * it favors the JAVA_HOME env var over the launcher's JVM * if JAVA_HOME is undefined and Java 8 is used, it will pick the JRE instead of the JDK, causing crashes when compiling Java code This is the same issue as davidB/scala-maven-plugin#619 Modification: * Share Java location resolution is commons module. * Favor current JVM over JAVA_HOME * Favor JDK over JRE
slandelle
added a commit
to gatling/gatling-maven-plugin
that referenced
this issue
Jul 18, 2022
Motivation: gatling-maven-plugin and the bundle have to locate the java executable in order to spawn a forked process to run Gatling. The current strategy is broken: * it favors the JAVA_HOME env var over the launcher's JVM * if JAVA_HOME is undefined and Java 8 is used, it will pick the JRE instead of the JDK, causing crashes when compiling Java code This is the same issue as davidB/scala-maven-plugin#619 Modification: * Share Java location resolution is commons module. * Favor current JVM over JAVA_HOME * Favor JDK over JRE
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When compiling, it cannot find the proper javac path:
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