ECK cachce issue

Elastic Orchestration Elastic Cloud on Kubernetes (ECK)
1

Hello,

We are experiencing these issues on our ECK instance running 5 concurrent pods, sporadically some pods stop and change to a crashloopbackoff state with the below errors.

We are mounting the plugin cache folder as an empty dir.

Defaulted container "elasticsearch" out of: elasticsearch, elastic-internal-init-filesystem (init), elastic-internal-init-keystore (init), elastic-internal-suspend (init)
Exception in thread "main" java.nio.file.NotDirectoryException: /usr/share/elasticsearch/plugins/.elasticsearch-plugins.yml.cache
        at java.base/sun.nio.fs.UnixFileSystemProvider.newDirectoryStream(UnixFileSystemProvider.java:440)
        at java.base/java.nio.file.Files.newDirectoryStream(Files.java:482)
        at java.base/java.nio.file.Files.list(Files.java:3792)
        at org.elasticsearch.tools.launchers.BootstrapJvmOptions.getPluginInfo(BootstrapJvmOptions.java:49)
        at org.elasticsearch.tools.launchers.BootstrapJvmOptions.bootstrapJvmOptions(BootstrapJvmOptions.java:34)
        at org.elasticsearch.tools.launchers.JvmOptionsParser.jvmOptions(JvmOptionsParser.java:137)
        at org.elasticsearch.tools.launchers.JvmOptionsParser.main(JvmOptionsParser.java:86)
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