Shawn Heisey created SOLR-12429:
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Summary: ZK upconfig throws confusing error when it encounters a
symlink
Key: SOLR-12429
URL: https://issues.apache.org/jira/browse/SOLR-12429
Project: Solr
Issue Type: Bug
Security Level: Public (Default Security Level. Issues are Public)
Components: SolrCLI
Affects Versions: 7.3.1
Environment: If a configset being uploaded to ZK contains a symlink
pointing at a directory, an error is thrown, but it doesn't explain the real
problem. The upconfig should detect symlinks and throw an error indicating
that they aren't supported. If we can detect any other type of file that
upconfig can't use (sockets, device files, etc), the error message should be
relevant.
{noformat}
Exception in thread "main" java.io.IOException: File
'/var/solr/mbsssss/artist/conf/common' exists but is a directory
at org.apache.commons.io.FileUtils.openInputStream(FileUtils.java:286)
at
org.apache.commons.io.FileUtils.readFileToByteArray(FileUtils.java:1815)
at
org.apache.solr.common.cloud.SolrZkClient.makePath(SolrZkClient.java:391)
at
org.apache.solr.common.cloud.ZkMaintenanceUtils$1.visitFile(ZkMaintenanceUtils.java:305)
at
org.apache.solr.common.cloud.ZkMaintenanceUtils$1.visitFile(ZkMaintenanceUtils.java:291)
at java.nio.file.Files.walkFileTree(Files.java:2670)
at java.nio.file.Files.walkFileTree(Files.java:2742)
at
org.apache.solr.common.cloud.ZkMaintenanceUtils.uploadToZK(ZkMaintenanceUtils.java:291)
at
org.apache.solr.common.cloud.SolrZkClient.uploadToZK(SolrZkClient.java:793)
at
org.apache.solr.common.cloud.ZkConfigManager.uploadConfigDir(ZkConfigManager.java:78)
at org.apache.solr.cloud.ZkCLI.main(ZkCLI.java:236)
{noformat}
I have not tested whether a symlink pointing at a file works, but I think that
an error should be thrown for ANY symlink.
Reporter: Shawn Heisey
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