It might depend some on how you are starting Solr (I am less familiar with Windows) but you will need to give each instead a separate log4j.properties file and configure the log location in there.
Also check out the Solr Ref Guide section on Configuring Logging, subsection Permanent Logging Settings. https://cwiki.apache.org/confluence/display/solr/Configuring+Logging Mike On Sat, Apr 29, 2017, 12:24 PM Zheng Lin Edwin Yeo <edwinye...@gmail.com> wrote: > Yes, both Solr instances are running in the same hardware. > > I believe they are pointing to the same log directories/config too. > > How do we point them to different log directories/config? > > Regards, > Edwin > > > On 30 April 2017 at 00:36, Mike Drob <md...@apache.org> wrote: > > > Are you running both Solr instances in the same hardware and pointing > them > > at the same log directories/config? > > > > On Sat, Apr 29, 2017, 2:56 AM Zheng Lin Edwin Yeo <edwinye...@gmail.com> > > wrote: > > > > > Hi, > > > > > > I'm using Solr 6.4.2 on SolrCloud, and I'm running 2 replica of Solr. > > > > > > When I start the replica, I will encounter this error message. It is > > > probably due to the Solr log, as both the main and the replica are > trying > > > to access the same solr_gc.log.0.current file. > > > > > > Is there anyway to prevent this? > > > > > > Besides this error message, the rest of the Solr for both main and > > replica > > > are running normally. > > > > > > Exception in thread "main" java.nio.file.FileSystemException: > > > C:\edwin\solr\server\logs\solr_gc.log.0.current -> > > > C:\edwin\solr\server\logs\archived\solr_gc.log.0.current: The process > > > cannot access the file because it is being used by another process. > > > > > > at > > > sun.nio.fs.WindowsException.translateToIOException(WindowsException.j > > > ava:86) > > > at > > > sun.nio.fs.WindowsException.rethrowAsIOException(WindowsException.jav > > > a:97) > > > at sun.nio.fs.WindowsFileCopy.move(WindowsFileCopy.java:387) > > > at > > > sun.nio.fs.WindowsFileSystemProvider.move(WindowsFileSystemProvider.j > > > ava:287) > > > at java.nio.file.Files.move(Files.java:1395) > > > at > > > org.apache.solr.util.SolrCLI$UtilsTool.archiveGcLogs(SolrCLI.java:357 > > > 9) > > > at > > > org.apache.solr.util.SolrCLI$UtilsTool.runTool(SolrCLI.java:3548) > > > at org.apache.solr.util.SolrCLI.main(SolrCLI.java:250) > > > "Failed archiving old GC logs" > > > Exception in thread "main" java.nio.file.FileSystemException: > > > C:\edwin\solr\server\logs\solr-8983-console.log -> > > > C:\edwin\solr\server\logs\archived\solr-8983-console.log: The process > > > cannot access the file because it is being used by another process. > > > > > > at > > > sun.nio.fs.WindowsException.translateToIOException(WindowsException.j > > > ava:86) > > > at > > > sun.nio.fs.WindowsException.rethrowAsIOException(WindowsException.jav > > > a:97) > > > at sun.nio.fs.WindowsFileCopy.move(WindowsFileCopy.java:387) > > > at > > > sun.nio.fs.WindowsFileSystemProvider.move(WindowsFileSystemProvider.j > > > ava:287) > > > at java.nio.file.Files.move(Files.java:1395) > > > at > > > org.apache.solr.util.SolrCLI$UtilsTool.archiveConsoleLogs(SolrCLI.jav > > > a:3608) > > > at > > > org.apache.solr.util.SolrCLI$UtilsTool.runTool(SolrCLI.java:3551) > > > at org.apache.solr.util.SolrCLI.main(SolrCLI.java:250) > > > "Failed archiving old console logs" > > > Exception in thread "main" java.nio.file.FileSystemException: > > > C:\edwin\solr\server\logs\solr.log -> C:\edwin\solr\server\logs\ > > solr.log.1: > > > The process cannot access the file because i > > > t is being used by another process. > > > > > > at > > > sun.nio.fs.WindowsException.translateToIOException(WindowsException.j > > > ava:86) > > > at > > > sun.nio.fs.WindowsException.rethrowAsIOException(WindowsException.jav > > > a:97) > > > at sun.nio.fs.WindowsFileCopy.move(WindowsFileCopy.java:387) > > > at > > > sun.nio.fs.WindowsFileSystemProvider.move(WindowsFileSystemProvider.j > > > ava:287) > > > at java.nio.file.Files.move(Files.java:1395) > > > at > > > org.apache.solr.util.SolrCLI$UtilsTool.rotateSolrLogs(SolrCLI.java:36 > > > 51) > > > at > > > org.apache.solr.util.SolrCLI$UtilsTool.runTool(SolrCLI.java:3545) > > > at org.apache.solr.util.SolrCLI.main(SolrCLI.java:250) > > > "Failed rotating old Solr logs" > > > Waiting up to 30 to see Solr running on port 8984 > > > > > > > > > Regards, > > > Edwin > > > > > >
