docker下jstack檔案分析
阿新 • • 發佈：2021-09-03
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docker ps
進入docker
docker exec -it 2ba867d597b2 /bin/sh
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jps
把當前堆疊資訊收集到當前資料夾的file.txt下
jstack -l pid >> file.txt
linux下建立資料夾 mkdir dumpFile
linux下建立或檢視檔案 touch tmp.txt
把docker裡的檔案拷貝到主機
模板：docker cp [OPTIONS] CONTAINER:SRC_PATH DEST_PATH
例子：docker cp 2ba867d597b2:/thread.txt /dumpFile/
然後就將thread.txt下載到本地的/dumpFile資料夾下
下載工具IBM Thread and Monitor Dump Analyzer for Java (TMDA)
在https://www.ibm.com/support/pages/ibm-thread-and-monitor-dump-analyzer-java-tmda下載jar包
按照步驟啟動
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Steps
- Download jca*.jar:https://public.dhe.ibm.com/software/websphere/appserv/support/tools/jca/jca468.jar
- Open a terminal or command prompt and change directory to where you downloaded the JAR file.
- Ensure that Java is on your PATH to run the tool.
- Launch the tool: java -jar jca*.jar
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匯入檔案 點選