Alex Crome created SOLR-9760:
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Summary: solr.cmd on Windows requires modify permissions in the
current directory
Key: SOLR-9760
URL: https://issues.apache.org/jira/browse/SOLR-9760
Project: Solr
Issue Type: Bug
Security Level: Public (Default Security Level. Issues are Public)
Components: Server
Affects Versions: 6.3
Environment: Windows
Reporter: Alex Crome
Currently starting solr fails if the user does not have permission to write to
the current directory. This is caused by the resolve_java_vendor function
writing a temporary file to the current directory (javares).
{code}
:resolve_java_vendor
set "JAVA_VENDOR=Oracle"
"%JAVA%" -version 2>&1 | findstr /i "IBM J9" > javares
set /p JAVA_VENDOR_OUT=<javares
del javares
if NOT "%JAVA_VENDOR_OUT%" == "" (
set "JAVA_VENDOR=IBM J9"
)
{code}
Rather than writing this temporary file to disk, The exit code of findstr can
be used to determine if there is a match. (0 == match, 1 == no match, 2 ==
syntax error)
{code}
:resolve_java_vendor
"%JAVA%" -version 2>&1 | findstr /i "IBM J9" > nul
if %ERRORLEVEL% == 1 set "JAVA_VENDOR=Oracle" else set "JAVA_VENDOR=IBM J9"
{code}
By not writing this temp file, you can reduce the permissions solr needs. As a
work around until this is fixed, you can start solr in a directory that has the
required permissions,
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