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https://issues.apache.org/jira/browse/CAMEL-3433?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Claus Ibsen reassigned CAMEL-3433:
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Assignee: Claus Ibsen
> Undefined header results in Nullpointer when expression is evaluated
> --------------------------------------------------------------------
>
> Key: CAMEL-3433
> URL: https://issues.apache.org/jira/browse/CAMEL-3433
> Project: Camel
> Issue Type: Bug
> Components: camel-core
> Affects Versions: 2.5.0
> Reporter: Thomas Jung
> Assignee: Claus Ibsen
> Fix For: 2.6.0
>
>
> If you define a filter for a header that is not defined like
> from("p:a").filter(header("header").in("value")).to("p:b");
> it results in a NullPointerException:
> {code}
> 2010-12-15 10:07:45,920 [main] ERROR DefaultErrorHandler -
> Failed delivery for exchangeId: 0215-1237-1292404064936-0-2.
> Exhausted after delivery attempt: 1 caught: java.lang.NullPointerException
> at
> org.apache.camel.builder.ExpressionBuilder$40.evaluate(ExpressionBuilder.java:955)
> at
> org.apache.camel.impl.ExpressionAdapter.evaluate(ExpressionAdapter.java:36)
> at
> org.apache.camel.builder.BinaryPredicateSupport.matches(BinaryPredicateSupport.java:54)
> at
> org.apache.camel.builder.PredicateBuilder$5.matches(PredicateBuilder.java:127)
> at
> org.apache.camel.processor.FilterProcessor.process(FilterProcessor.java:46)
> at
> org.apache.camel.util.AsyncProcessorHelper.process(AsyncProcessorHelper.java:70)
> at
> org.apache.camel.processor.DelegateAsyncProcessor.processNext(DelegateAsyncProcessor.java:98)
> at
> org.apache.camel.processor.DelegateAsyncProcessor.process(DelegateAsyncProcessor.java:89)
> {code}
> This test reproduces the problem:
> {code}
> public void testExpressionForUndefinedHeader(){
> Expression type = ExpressionBuilder.headerExpression("header");
> Expression expression = ExpressionBuilder.constantExpression("value");
> Expression convertToExpression =
> ExpressionBuilder.convertToExpression(expression, type);
> convertToExpression.evaluate(exchange, Object.class);
> }
> {code}
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