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https://issues.apache.org/activemq/browse/CAMEL-744?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hadrian Zbarcea updated CAMEL-744:
----------------------------------
Fix Version/s: 1.5.0
> xstream produces empty body
> ---------------------------
>
> Key: CAMEL-744
> URL: https://issues.apache.org/activemq/browse/CAMEL-744
> Project: Apache Camel
> Issue Type: Bug
> Components: camel-stream
> Affects Versions: 1.4.0
> Environment: Windows Server 2003; jdk1.6.0_06
> Reporter: Vadim Chekan
> Priority: Critical
> Fix For: 1.5.0
>
>
> 1. Set -Dfile.encoding=Cp1252
> 2. Set tracing ON.
> 3. Run the code:
> ====================================================
> from("timer://kickoff?period=10000").
> process(new Processor() {
> public void process(Exchange exchange) throws Exception
> {
> ArrayList<HashMap<String, Object>> rows = new
> ArrayList<HashMap<String, Object>>();
> HashMap<String, Object> row = new
> HashMap<String, Object>();
> row.put("column1", "Value 1");
> rows.add(row);
> exchange.getOut().setBody(rows);
> }
> }).
> marshal().xstream().
> to("mock:result");
> ====================================================
> 3. Observe output:
> ====================================================
> Jul 22, 2008 11:35:28 AM org.apache.camel.processor.Logger process
> INFO: ID-vchekan/4855-1216751728436/1-0 -> interceptor1
> Interceptor[Delegate(Pipeline[DeadLetterChannel[Delegate([EMAIL PROTECTED]),
> RecipientList[log:org.apache.camel.DeadLetterChannel?level=error],
> RedeliveryPolicy[maximumRedeliveries=6]], DeadLetterChannel[Delegate([EMAIL
> PROTECTED]),
> RecipientList[log:org.apache.camel.DeadLetterChannel?level=error],
> RedeliveryPolicy[maximumRedeliveries=6]],
> DeadLetterChannel[Delegate(TraceInterceptor[To[mock:result]]),
> RecipientList[log:org.apache.camel.DeadLetterChannel?level=error],
> RedeliveryPolicy[maximumRedeliveries=6]]])] InOnly
> Properties:{org.apache.camel.timer.time=null,
> org.apache.camel.timer.period=10000, org.apache.camel.timer.name=kickoff}
> Headers:{} BodyType:null Body:Message: null
> Jul 22, 2008 11:35:28 AM org.apache.camel.processor.Logger process
> INFO: ID-vchekan/4855-1216751728436/1-0 -> processor1 [EMAIL PROTECTED]
> InOnly Properties:{org.apache.camel.timer.time=null,
> org.apache.camel.timer.period=10000, CamelCauseException=null,
> org.apache.camel.timer.name=kickoff} Headers:{} BodyType:null Body:Message:
> null
> Jul 22, 2008 11:35:28 AM org.apache.camel.processor.Logger process
> INFO: ID-vchekan/4855-1216751728436/1-0 -> marshal1 [EMAIL PROTECTED] InOnly
> Properties:{org.apache.camel.timer.time=null,
> org.apache.camel.timer.period=10000, CamelCauseException=null,
> org.apache.camel.timer.name=kickoff} Headers:{} BodyType:java.util.ArrayList
> Body:[{column1=Value 1}]
> Jul 22, 2008 11:35:29 AM org.apache.camel.processor.Logger process
> INFO: ID-vchekan/4855-1216751728436/1-0 -> to1 To[mock:result] InOnly
> Properties:{org.apache.camel.timer.time=null,
> org.apache.camel.timer.period=10000, CamelCauseException=null,
> org.apache.camel.timer.name=kickoff} Headers:{} BodyType:[B Body:
> ====================================================
> As you see xstream returms an empty array (the end of the last line).
> 4. Change encoding in step 1 to -Dfile.encoding=UTF-8 and re-run the
> application.
> ====================================================
> Jul 22, 2008 11:40:18 AM org.apache.camel.processor.Logger process
> INFO: ID-vchekan/4875-1216752017927/1-0 -> interceptor1
> Interceptor[Delegate(Pipeline[DeadLetterChannel[Delegate([EMAIL PROTECTED]),
> RecipientList[log:org.apache.camel.DeadLetterChannel?level=error],
> RedeliveryPolicy[maximumRedeliveries=6]], DeadLetterChannel[Delegate([EMAIL
> PROTECTED]),
> RecipientList[log:org.apache.camel.DeadLetterChannel?level=error],
> RedeliveryPolicy[maximumRedeliveries=6]],
> DeadLetterChannel[Delegate(TraceInterceptor[To[mock:result]]),
> RecipientList[log:org.apache.camel.DeadLetterChannel?level=error],
> RedeliveryPolicy[maximumRedeliveries=6]]])] InOnly
> Properties:{org.apache.camel.timer.time=null,
> org.apache.camel.timer.period=10000, org.apache.camel.timer.name=kickoff}
> Headers:{} BodyType:null Body:Message: null
> Jul 22, 2008 11:40:18 AM org.apache.camel.processor.Logger process
> INFO: ID-vchekan/4875-1216752017927/1-0 -> processor1 [EMAIL PROTECTED]
> InOnly Properties:{org.apache.camel.timer.time=null,
> org.apache.camel.timer.period=10000, CamelCauseException=null,
> org.apache.camel.timer.name=kickoff} Headers:{} BodyType:null Body:Message:
> null
> Jul 22, 2008 11:40:18 AM org.apache.camel.processor.Logger process
> INFO: ID-vchekan/4875-1216752017927/1-0 -> marshal1 [EMAIL PROTECTED] InOnly
> Properties:{org.apache.camel.timer.time=null,
> org.apache.camel.timer.period=10000, CamelCauseException=null,
> org.apache.camel.timer.name=kickoff} Headers:{} BodyType:java.util.ArrayList
> Body:[{column1=Value 1}]
> Jul 22, 2008 11:40:18 AM org.apache.camel.processor.Logger process
> INFO: ID-vchekan/4875-1216752017927/1-0 -> to1 To[mock:result] InOnly
> Properties:{org.apache.camel.timer.time=null,
> org.apache.camel.timer.period=10000, CamelCauseException=null,
> org.apache.camel.timer.name=kickoff} Headers:{} BodyType:[B Body:<?xml
> version="1.0" ?><list><map><entry><string>column1</string><string>Value
> 1</string></entry></map></list>
> ====================================================
> You see xml now.
> I think it is a bug when xstream component silently refuses to work by
> producing empty output. It should either take into account configured
> encoding when producing output or explicitly refuse to work if encoding is
> "wrong" (throw an exception explaining the reasons of error).
> Fixing this error is important because it affects at least 2 windows
> environments: Eclipse and ActiveMQ.
> By default Eclipse on Windows has Cp1252 encoding set.
> I do not know what encoding is set in ActiveMQ for Windows but it does not
> work unless activemq.bat is edited and encoding is explicitly set there.
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