[
https://issues.apache.org/jira/browse/HTTPCLIENT-2367?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Jason Mathison updated HTTPCLIENT-2367:
---------------------------------------
Description:
Starting in the 5.4.3 release of HttpClient, in the
org/apache/hc/client5/http/impl/async/InternalAbstractHttpAsyncClient.java
file, it is possible to get an Null Pointer Exception thrown by this section of
code:
final HttpHost resolvedTarget = target != null ? target :
RoutingSupport.determineHost(request);
if (request.getScheme() == null)
{ request.setScheme(resolvedTarget.getSchemeName()); }
The issue is that the RoutingSupport.determineHost can return null, then this
line
request.setScheme(resolvedTarget.getSchemeName());
will attempt to dereference resolvedTarget, which is null.
An example that can cause this is a BasicHttpRequest with a path and requestUri
of /foo/bar and a null scheme. Note the lack of a host name in the
path/requestUri.
was:
Starting in the 5.4.3 release of HttpClient, in the
org/apache/hc/client5/http/impl/async/InternalAbstractHttpAsyncClient.java
file, it is possible to get an Null Pointer Exception thrown by this section of
code:
final HttpHost resolvedTarget = target != null ? target :
RoutingSupport.determineHost(request);
if (request.getScheme() == null) {
request.setScheme(resolvedTarget.getSchemeName());
}
The issue is that the RoutingSupport.determineHost can return null, then this
line
request.setScheme(resolvedTarget.getSchemeName());
will attempt to dereference resolvedTarget, which is null.
> InternalAbstractHttpAsyncClient.java NPE when determineHost returns null
> ------------------------------------------------------------------------
>
> Key: HTTPCLIENT-2367
> URL: https://issues.apache.org/jira/browse/HTTPCLIENT-2367
> Project: HttpComponents HttpClient
> Issue Type: Bug
> Components: HttpClient (async)
> Affects Versions: 5.4.3, 5.4.4
> Reporter: Jason Mathison
> Priority: Major
>
> Starting in the 5.4.3 release of HttpClient, in the
> org/apache/hc/client5/http/impl/async/InternalAbstractHttpAsyncClient.java
> file, it is possible to get an Null Pointer Exception thrown by this section
> of code:
>
> final HttpHost resolvedTarget = target != null ? target :
> RoutingSupport.determineHost(request);
> if (request.getScheme() == null)
> { request.setScheme(resolvedTarget.getSchemeName()); }
>
> The issue is that the RoutingSupport.determineHost can return null, then this
> line
> request.setScheme(resolvedTarget.getSchemeName());
> will attempt to dereference resolvedTarget, which is null.
> An example that can cause this is a BasicHttpRequest with a path and
> requestUri of /foo/bar and a null scheme. Note the lack of a host name in the
> path/requestUri.
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