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https://issues.apache.org/jira/browse/CXF-9210?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Corey Bodendein updated CXF-9210:
---------------------------------
Affects Version/s: 4.0.11
> JAX-RS Client Fails When CacheControlFeature is used but Server Doesn't
> return Cache-Control Header
> ---------------------------------------------------------------------------------------------------
>
> Key: CXF-9210
> URL: https://issues.apache.org/jira/browse/CXF-9210
> Project: CXF
> Issue Type: Bug
> Components: JAX-RS
> Affects Versions: 4.2.0, 4.1.5, 3.6.10, 4.0.11
> Reporter: Corey Bodendein
> Assignee: Freeman Yue Fang
> Priority: Major
> Fix For: 4.2.1, 3.6.11, 4.1.6
>
>
> When you add the {{org.apache.cxf.jaxrs.client.cache.CXFCacheControlFeature}}
> to a JAX-RS client and use it with a server that does not return the
> {{Cache-Control}} header, reading the whole response fails with a partial
> stacktrace like:
> {noformat}
> javax.ws.rs.client.ResponseProcessingException: Problem with reading the
> data, class java.lang.String, ContentType: text/plain.
> at
> org.apache.cxf.jaxrs.impl.ResponseImpl.reportMessageHandlerProblem(ResponseImpl.java:553)
> at
> org.apache.cxf.jaxrs.impl.ResponseImpl.doReadEntity(ResponseImpl.java:495)
> at
> org.apache.cxf.jaxrs.impl.ResponseImpl.readEntity(ResponseImpl.java:410)
> at
> org.apache.cxf.jaxrs.impl.ResponseImpl.readEntity(ResponseImpl.java:400)
> ...
> Caused by: java.lang.IllegalArgumentException
> at
> org.apache.cxf.jaxrs.impl.CacheControlHeaderProvider.getTokens(CacheControlHeaderProvider.java:119)
> at
> org.apache.cxf.jaxrs.impl.CacheControlHeaderProvider.fromString(CacheControlHeaderProvider.java:71)
> at
> org.apache.cxf.jaxrs.impl.CacheControlHeaderProvider.fromString(CacheControlHeaderProvider.java:37)
> at javax.ws.rs.core.CacheControl.valueOf(CacheControl.java:88)
> at
> org.apache.cxf.jaxrs.client.cache.CacheControlClientReaderInterceptor.aroundReadFrom(CacheControlClientReaderInterceptor.java:91)
> at
> org.apache.cxf.jaxrs.utils.JAXRSUtils.readFromMessageBodyReader(JAXRSUtils.java:1603)
> at
> org.apache.cxf.jaxrs.impl.ResponseImpl.doReadEntity(ResponseImpl.java:474)
> {noformat}
> This looks to be because on these two lines,
> https://github.com/apache/cxf/blob/cxf-3.6.10/rt/rs/client/src/main/java/org/apache/cxf/jaxrs/client/cache/CacheControlClientReaderInterceptor.java#L90-L91
> :
> {code:java}
> final String cacheControlHeader =
> responseHeaders.getFirst(HttpHeaders.CACHE_CONTROL);
> final CacheControl cacheControl = CacheControl.valueOf(cacheControlHeader);
> {code}
> If the server does not have the {{Cache-Control}} header,
> {{cacheControlHeader}} is {{null}}, and {{CacheControl.valueOf(null)}} throws
> a {{IllegalArgumentException}}.
> {{org.apache.cxf.jaxrs.client.cache.CacheControlClientReaderInterceptor#aroundReadFrom}}
> should return early in that case to prevent errors reading the response.
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