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https://issues.apache.org/jira/browse/HTTPCLIENT-1178?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Oleg Kalnichevski resolved HTTPCLIENT-1178.
-------------------------------------------
Resolution: Invalid
Cory,
This pretty much explains it. I also looked at the exception stack traces and
found out NPEs were most likely caused by concurrent modification of the
context content by multilpe threads.
HttpContext instances may not be shared by multiple threads regardless whether
the implementation itself is thread safe or not, as they may contain non-thread
safe objects such as HttpConnection and AuthState.
Each thread of execution should have a dedicated HttpContext instance.
Oleg
> NPE thrown in DefaultUserTokenHandler
> -------------------------------------
>
> Key: HTTPCLIENT-1178
> URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1178
> Project: HttpComponents HttpClient
> Issue Type: Bug
> Components: HttpClient
> Affects Versions: 4.1.3
> Reporter: Cory Lum
>
> java.lang.NullPointerException
> at
> org.apache.http.impl.client.DefaultUserTokenHandler.getAuthPrincipal(DefaultUserTokenHandler.java:91)
> at
> org.apache.http.impl.client.DefaultUserTokenHandler.getUserToken(DefaultUserTokenHandler.java:72)
> at
> org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:516)
> at
> org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:820)
> at some.package.SomeClass.execute(SomeClass.java:123)
> -or-
> java.lang.NullPointerException
> at
> org.apache.http.impl.client.DefaultUserTokenHandler.getUserToken(DefaultUserTokenHandler.java:79)
> at
> org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:516)
> at
> org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:820)
> at some.package.SomeClass.execute(SomeClass.java:123)
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