Error
Error Code: ORA-29665

Oracle Error ORA-29665: Java Deadlock

📦 Oracle Database
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Description

The ORA-29665 error indicates a deadlock within the Java Virtual Machine (JVM) running inside the Oracle database. This occurs when two or more Java threads are blocked indefinitely, waiting for each other to release resources.
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Error Message

Java thread deadlock detected
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Known Causes

3 known causes
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Circular Dependency
Two or more threads are waiting for resources held by each other, creating a circular dependency and preventing progress.
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Incorrect Locking Order
Threads acquire locks in different orders, leading to a situation where each thread holds a lock needed by another thread.
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Resource Starvation
A thread is repeatedly denied access to a resource, preventing it from completing its task and potentially leading to deadlock.
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Solutions

Coming Soon

Detailed step-by-step solutions for this error are being prepared. In the meantime, try these general troubleshooting tips:

General Troubleshooting Tips

  • Check the error message carefully for specific details
  • Review recent changes that might have caused the error
  • Search for the exact error code in the official documentation
  • Check log files for additional context
  • Try restarting the application or service

Find Help

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