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https://issues.apache.org/jira/browse/CXF-9091?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17910826#comment-17910826
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Andriy Redko commented on CXF-9091:
-----------------------------------
Adding the preceding communication on the mailing list here:
https://lists.apache.org/thread/vproojr7pcygpjtrygfxj8qcgj1x2q4x
TLDR; I briefly looked into the issue (the one from the description_ and could
confirm that there is indeed a problem with larger message payload. However, I
could also reproduce it on Camel 2.x (I was using 2.25.4) although the
exception is slightly different. I was not able to troubleshoot the cause yet,
hope to get back to it at some point (unless someone steps in to pick it up).
> Camel 3|CXF: ParsingErrors with OneWay Messages
> -----------------------------------------------
>
> Key: CXF-9091
> URL: https://issues.apache.org/jira/browse/CXF-9091
> Project: CXF
> Issue Type: Bug
> Reporter: Manuel Shenavai
> Priority: Major
>
> Hi everyone,
> we recently moved from Camel 2 to Camel 3 and we are now observing the
> following problem with CXF. If a OneWay message exceeds a certain length, the
> messages fail with a parser error like:
> Caused by: java.lang.IllegalStateException: Current event not START_ELEMENT
> or END_ELEMENT
> at
> com.ctc.wstx.sr.BasicStreamReader.getNamespaceCount(BasicStreamReader.java:805)
> ~[woodstox-core-6.2.7.jar:6.2.7]
> at
> org.apache.cxf.staxutils.DepthXMLStreamReader.getNamespaceCount(DepthXMLStreamReader.java:122)
> ~[cxf-core-3.5.2.jar:3.5.2]
> at
> org.apache.cxf.staxutils.DepthXMLStreamReader.getNamespaceCount(DepthXMLStreamReader.java:122)
> ~[cxf-core-3.5.2.jar:3.5.2]
> at
> org.apache.camel.component.cxf.converter.DelegatingXMLStreamReader.<init>(DelegatingXMLStreamReader.java:40)
> ~[camel-cxf-3.17.0.jar:3.17.0]
> at
> org.apache.camel.component.cxf.converter.CxfPayloadConverter.convertTo(CxfPayloadConverter.java:225)
> ~[camel-cxf-3.17.0.jar:3.17.0]
> at
> org.apache.camel.component.cxf.converter.CxfPayloadConverterLoader.lambda$registerFallbackConverters$8(CxfPayloadConverterLoader.java:68)
> ~[camel-cxf-3.17.0.jar:3.17.0]
> at
> org.apache.camel.support.SimpleTypeConverter.convertTo(SimpleTypeConverter.java:101)
> ~[camel-support-3.17.0.jar:3.17.0]
> ... 30 common frames omitted
> The error will not happen if we reduce the length of the message or if we
> change it from OneWay to ResponseReply. This indicates a problem in the async
> decoupling of the request.
> During debugging I found that the HTTP thread is used to handle the request.
> But the actual processing of the message happens in new thread. Maybe the
> input stream is closed after the http thread is finished (HTTP 202) and the
> spawned thread cannot read the full content anymore.
> I created the following reproducer based on Spring Boot:
> [https://github.com/mash-sap/cxfOneWayError/tree/main]
> CXF: 3.6.5
> Camel CXF: 3.17.0
> Tomcat: 9.0.83
> Mailinglist Post:
> https://lists.apache.org/thread/vproojr7pcygpjtrygfxj8qcgj1x2q4x
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