Unable to Install Plugins
Platform Notice: Data Center Only - This article only applies to Atlassian products on the Data Center platform.
Note that this KB was created for the Data Center version of the product. Data Center KBs for non-Data-Center-specific features may also work for Server versions of the product, however they have not been tested. Support for Server* products ended on February 15th 2024. If you are running a Server product, you can visit the Atlassian Server end of support announcement to review your migration options.
*Except Fisheye and Crucible
Symptoms
Missing 'temp' directory exception appears in the log file:
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Cause:
java.lang.RuntimeException: There was a problem evicting or flushing a PluginData object
at com.atlassian.confluence.plugin.persistence.hibernate.HibernatePluginDataDao.saveOrUpdate(HibernatePluginDataDao.java:65)
caused by: net.sf.hibernate.HibernateException: I/O errors during LOB access
at org.springframework.orm.hibernate.support.AbstractLobType.nullSafeSet(AbstractLobType.java:163)
caused by: java.io.IOException: No such file or directory
at java.io.UnixFileSystem.createFileExclusively(Native Method)
Cause
The temp directory is missing.
Resolution
Recreate the temp directory in the Confluence Home and other important directories and restart Confluence.
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