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Editorial Team
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Asked: 2026-06-17T17:20:17+00:00

I have a project where I want to use Java v 1.7 , so

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I have a project where I want to use Java v 1.7, so I made the change in my project for Java Compiler
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and maven compiler as
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But still When I deploy my JBoss application via IntelliJ I see error like 

13:04:24,295 WARN  [org.jboss.modules] (MSC service thread 1-3) Failed to define class com.myorg.bb.business.LoginManager in Module "deployment.web-1.0-SNAPSHOT.war:main" from Service Module Loader: java.lang.UnsupportedClassVersionError: com/myorg/bb/business/LoginManager : Unsupported major.minor version 51.0
    at java.lang.ClassLoader.defineClass1(Native Method) [classes.jar:1.6.0_29]
    at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631) [classes.jar:1.6.0_29]
    at java.lang.ClassLoader.defineClass(ClassLoader.java:615) [classes.jar:1.6.0_29]
    at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141) [classes.jar:1.6.0_29]

How can I make this work with Java v1.7?

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1 Answer

  1. Editorial Team

    Make sure JAVA_HOME is set to 1.7, you may try to override it in the JBoss Run/Debug configuration in IntelliJ IDEA as setting environment on Mac is tricky and depends on the OS version.

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