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Editorial Team
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Asked: 2026-05-22T20:04:23+00:00

After years of working OK, I’m suddenly getting this message when trying to start

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After years of working OK, I’m suddenly getting this message when trying to start the JVM:

Error: could not open `C:\Program Files\Java\jre6\lib\amd64\jvm.cfg'

I tried uninstalling, and got a message saying a DLL was missing (unspecified)
Tried re-installing, all to no avail.

At the same time, when trying to start Scala I get:

\Java\jdk1.6.0_25\bin\java.exe was unexpected at this time.

Checked %JAVA_HOME% and %path% – both OK

Can anyone help?

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1 Answer

  1. Editorial Team

    Might be a slightly different cause, but that second issue occurs for me in scala 2.9.0.1 on Win7 (x64), though scala-2.9.1.final has already resolved this issue mentioned here:

    \Java\jdk1.6.0_25\bin\java.exe was unexpected at this time.

    My %JAVA_HOME% set to a path like this: c:\program files(x86)\Java\jdk...

    Note the space and the parentheses.

    If you change line 24 in %SCALA_HOME%\bin\scala.bat from:

    if exist "%JAVA_HOME%\bin\java.exe" set _JAVACMD=%JAVA_HOME%\bin\java.exe

    to

    if exist "%JAVA_HOME%\bin\java.exe" set "_JAVACMD=%JAVA_HOME%\bin\java.exe"

    It works fine. Note the quotes around the set command parameters, this will properly enclose any spaces and ‘special’ characters (eg: spaces and parentheses) in the variable’s value.

    Hope this helps someone else searching for an answer.

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