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https://issues.apache.org/jira/browse/CXF-7210?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15820453#comment-15820453
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Sebastian Hoß commented on CXF-7210:
------------------------------------
Thanks a lot! :-)
> 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
> Assignee: Freeman Fang
> Priority: Trivial
> Fix For: 3.2.0, 3.1.10
>
>
> 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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