问题
The Jmeter script runs fine on apache-jmeter2.8. I upgraded recently to apache-jmeter-2.10 and I started getting Null Point exception.
I revert back to apache-jmeter2.8 and the script works fine.
java.lang.NullPointerException
at org.apache.jorphan.util.JOrphanUtils.replaceAllChars(JOrphanUtils.java:264)
at org.apache.jmeter.protocol.http.sampler.HTTPSamplerBase.encodeSpaces(HTTPSamplerBase.java:1332)
at org.apache.jmeter.protocol.http.sampler.HTTPSamplerBase.followRedirects(HTTPSamplerBase.java:1404)
at org.apache.jmeter.protocol.http.sampler.HTTPSamplerBase.resultProcessing(HTTPSamplerBase.java:1482)
at org.apache.jmeter.protocol.http.sampler.HTTPAbstractImpl.resultProcessing(HTTPAbstractImpl.java:306)
at org.apache.jmeter.protocol.http.sampler.HTTPHC4Impl.sample(HTTPHC4Impl.java:381)
at org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy.sample(HTTPSamplerProxy.java:74)
at org.apache.jmeter.protocol.http.sampler.HTTPSamplerBase.sample(HTTPSamplerBase.java:1105)
at org.apache.jmeter.protocol.http.sampler.HTTPSamplerBase.sample(HTTPSamplerBase.java:1094)
at org.apache.jmeter.threads.JMeterThread.process_sampler(JMeterThread.java:429)
at org.apache.jmeter.threads.JMeterThread.run(JMeterThread.java:257)
at java.lang.Thread.run(Unknown Source)
The script is general login script and the failure happens when it is trying to post.
Let me know if you need more info.
回答1:
You may be facing this known bug that has been fixed in nightly build:
- https://issues.apache.org/bugzilla/show_bug.cgi?id=55717
As a workaround, try changing http implementation to Java instead of HttpClient4 implementation.
If you want to give nightly build a try, see:
http://jmeter.apache.org/nightly.html
Read:
Installing JMeter runtime
Download the _bin and _lib files
Unpack the archives into the same directory structure
The other archives are not needed to run JMeter.
回答2:
The above error has been addressed in 2.11 version. Download and use the latest version of jmeter 2.11 and check out your script.
No need to go for Nightly Build.
来源：https://stackoverflow.com/questions/20199383/apache-jmeter-2-10-null-point-exception-while-running-an-existing-script