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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CXF-7210) StringIndexOutOfBoundsException during construction of failover request
Date Wed, 11 Jan 2017 12:42:58 GMT

    [ https://issues.apache.org/jira/browse/CXF-7210?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15818203#comment-15818203
] 

ASF GitHub Bot commented on CXF-7210:
-------------------------------------

GitHub user sebhoss opened a pull request:

    https://github.com/apache/cxf/pull/221

    [CXF-7210] Fix StringIndexOutOfBoundsException

    The logic goes as follows:
    
    1) Base- & request-URI are the same, then only add base-URI.
    2) If request-URI starts with base-URI, only add the parts from request-URI that are not
already included in base-URI
    3) Otherwise add both base-URI and request-URI

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/sebhoss/cxf master

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/cxf/pull/221.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #221
    
----
commit 1a8ae7afb254b77118aba543df2a720547a3ccf2
Author: Sebastian Hoß <mail@shoss.de>
Date:   2017-01-11T12:39:31Z

    [CXF-7210] Fix StringIndexOutOfBoundsException
    
    Signed-off-by: Sebastian Hoß <mail@shoss.de>

----


> StringIndexOutOfBoundsException during construction of failover request
> -----------------------------------------------------------------------
>
>                 Key: CXF-7210
>                 URL: https://issues.apache.org/jira/browse/CXF-7210
>             Project: CXF
>          Issue Type: Bug
>          Components: JAX-RS
>            Reporter: Sebastian Hoß
>            Priority: Trivial
>
> In {{AbstractClient}} we [have the following|https://github.com/apache/cxf/blob/master/rt/rs/client/src/main/java/org/apache/cxf/jaxrs/client/AbstractClient.java#L650]:
> {code}
> UriBuilder builder = new UriBuilderImpl().uri(newBaseURI);
> String basePath = reqURIPath.startsWith(baseURIPath) ? baseURIPath : getBaseURI().getRawPath();

> builder.path(reqURIPath.equals(basePath) ? "" : reqURIPath.substring(basePath.length()));
> {code}
> This covers two out of three potential cases:
> 1) {{baseURIPath}} and {{reqURIPath}} have the same value which will result in only the
base path being added to the builder.
> 2) {{baseURIPath}} and {{reqURIPath}} have a different value in which case the builder
will get the base path and and everything from the request path that is not already included
in the base path.
> What's missing (and what is causing the exception below) is that the base path might
be longer than the request path in which case {{reqURIPath.substring(basePath.length())}}
throws the following stack trace:
> {code}
> Caused by: java.lang.StringIndexOutOfBoundsException: String index out of range: -7
>   at java.lang.String.substring(String.java:1875)
>   at org.apache.cxf.jaxrs.client.AbstractClient.calculateNewRequestURI(AbstractClient.java:652)
>   at org.apache.cxf.jaxrs.client.AbstractClient.calculateNewRequestURI(AbstractClient.java:642)
>   at org.apache.cxf.jaxrs.client.AbstractClient.retryInvoke(AbstractClient.java:688)
>   at org.apache.cxf.jaxrs.client.AbstractClient$RetryableImpl.invoke(AbstractClient.java:1174)
>   at org.apache.cxf.clustering.FailoverTargetSelector.performFailover(FailoverTargetSelector.java:207)
>   at org.apache.cxf.clustering.FailoverTargetSelector.complete(FailoverTargetSelector.java:166)
>   at org.talend.esb.servicelocator.cxf.internal.LocatorTargetSelector.complete(LocatorTargetSelector.java:57)
>   at org.apache.cxf.jaxrs.client.AbstractClient.preProcessResult(AbstractClient.java:575)
> {code}



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