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Endpoint Security Server freezes periodically and clients are not able to connect Technical Level
Symptoms
  • Endpoint Security Server freezes periodically (around every 2-3 days) and clients are not able to connect.
  • In $UEPMDIR/logs/server_messages.log:
    [2020-01-31 00:27:55,710] ERROR ajp-nio2-127.0.0.1-8009-exec-215 - (Nio2Endpoint)
    java.lang.OutOfMemoryError: Java heap space
        at java.lang.Throwable.fillInStackTrace(Native Method)
        at java.lang.Throwable.(Throwable.java:86)
        at java.lang.Throwable.(Throwable.java:97)
        at java.lang.Error.(Error.java:81)
        at java.lang.VirtualMachineError.(VirtualMachineError.java:64)
        at java.lang.OutOfMemoryError.(OutOfMemoryError.java:69)

  • In $UEPMDIR/logs/server_messages.log:
    [2020-01-30 21:30:33,673] INFO Dispatcher-Thread-9 - [StdOutErrLog] com.ibatis.common.jdbc.exception.NestedSQLException:
    --- The error occurred while applying a parameter map.
    --- Check the MeSimilarDiscoveredDevicesSelect-InlineParameterMap.
    --- Check the statement (query failed).
    --- Cause: org.postgresql.util.PSQLException: ERROR: syntax error at or near "AND"
    Position: 10 (StdOutErrLog)
Cause

Due to incorrect query syntax - ERROR: syntax error at or near "AND", the system is overloaded and freezes periodically.


Solution
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