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Incorrect JVM_DLL environment variable definition in service.bat #3760

nathan-alden opened this Issue Sep 22, 2013 · 2 comments


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nathan-alden commented Sep 22, 2013

I am running Windows 8 64-bit. First, I uninstalled all previous Java-related installations. I confirmed that I had no C:\Program Files\Java folders. I then downloaded and installed JRE 7 from the last download link on this page:

I confirmed that Java was installed properly. Here is the installed path to jvm.dll:

C:\Program Files\Java\jre7\bin\server\jvm.dll

My JAVA_HOME environment variable is set to C:\Program Files\Java\jre7.

Unfortunately, service.bat sets the JVM_DLL environment variable to this:


Note the extra jre path that does not exist with the JRE I installed. Perhaps this path changed in later versions of the JRE or in Oracle's installer? This problem causes the service to fail to start with this error:

[2013-09-22 14:23:27] [info]  [19408] Starting service...
[2013-09-22 14:23:27] [error] [19408] Failed creating java C:\Progra~1\Java\jre7\jre\bin\server\jvm.dll
[2013-09-22 14:23:27] [error] [19408] The system cannot find the path specified.
[2013-09-22 14:23:27] [error] [19408] ServiceStart returned 1

I fixed this easily by simply removing jre\ from the set JVM_DLL line. The batch file should probably use a different mechanism for determining the location of jvm.dll.

@ghost ghost assigned costin Oct 24, 2013


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costin commented Oct 24, 2013


This has been fixed through #3739 . You are installing a JRE (we recommend using a JDK) and service.bat will detect it accordingly. The fix will be available in the next release (0.90.6 and 1.0.0).

Can you please try master and report back?


@costin costin closed this Oct 24, 2013


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bittusarkar commented May 10, 2014

@costin This might not be the correct place to ask this but why do you recommend using a JDK over a JRE? Specifically what is the difference between %JAVA_HOME%\jre\bin\server\jvm.dll and %JAVA_HOME%\bin\server\jvm.dll?

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