Opster Team
Before you begin reading this guide, we recommend you try running the Elasticsearch Error Check-Up which analyzes 2 JSON files to detect many configuration errors.
To easily locate the root cause and resolve this issue try AutoOps for Elasticsearch & OpenSearch. It diagnoses problems by analyzing hundreds of metrics collected by a lightweight agent and offers guidance for resolving them.
This guide will help you check for common problems that cause the log ” thread CPU time is not supported on this JDK ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: monitor, thread.

Log Context
Log “thread CPU time is not supported on this JDK”classname is HotThreads.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :
} String innerDetect(ThreadMXBean threadBean; SunThreadInfo sunThreadInfo; long currentThreadId; SleepFunctionthreadSleep) throws Exception { if (threadBean.isThreadCpuTimeSupported() == false) { throw new ElasticsearchException("thread CPU time is not supported on this JDK"); } if (type == ReportType.MEM && sunThreadInfo.isThreadAllocatedMemorySupported() == false) { throw new ElasticsearchException("thread allocated memory is not supported on this JDK"); }
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Jose Rafaelly
Head of System Engineering at Everymundo