[
https://issues.apache.org/jira/browse/CAMEL-11235?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16000377#comment-16000377
]
Pascal Schumacher edited comment on CAMEL-11235 at 5/8/17 7:43 AM:
-------------------------------------------------------------------
As a workaround I tried to use this simple expression:
{code}${headers.materialnumbers.isEmpty()} != true{code}
This fails with:
{noformat}2017-05-08 09:32:07,322 ERR [main]
org.apache.camel.processor.DefaultErrorHandler - Failed delivery for
(MessageId: ID-RDDE102Y-62492-1494228726331-0-1 on ExchangeId:
ID-RDDE102Y-62492-1494228726331-0-2). Exhausted after delivery attempt: 1
caught: org.apache.camel.language.bean.RuntimeBeanExpressionException: Failed
to invoke method: isEmpty() on null due to:
org.apache.camel.component.bean.MethodNotFoundException: Method with name:
isEmpty() (with no parameters) not found on bean: [89784409, 89784410] of type:
com.google.common.collect.RegularImmutableSet. Exchange[]
Message History
---------------------------------------------------------------------------------------------------------------------------------------
RouteId ProcessorId Processor
Elapsed (ms)
[Read Textbaustein ] [Read Textbaustein ] [
] [ 67]
[Read Textbaustein ] [choice1 ] [when[simple{Simple:
${headers.Materialnummern.isEmpty()} != true}]choice[] ] [ 62]
Stacktrace
---------------------------------------------------------------------------------------------------------------------------------------
org.apache.camel.language.bean.RuntimeBeanExpressionException: Failed to invoke
method: isEmpty() on null due to:
org.apache.camel.component.bean.MethodNotFoundException: Method with name:
isEmpty() (with no parameters) not found on bean: [89784409, 89784410] of type:
com.google.common.collect.RegularImmutableSet. Exchange[]
at
org.apache.camel.language.bean.BeanExpression$OgnlInvokeProcessor.process(BeanExpression.java:327)
~[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.language.bean.BeanExpression.evaluate(BeanExpression.java:115)
~[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.language.bean.BeanExpression.evaluate(BeanExpression.java:139)
~[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.model.language.ExpressionDefinition.evaluate(ExpressionDefinition.java:126)
~[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.model.language.ExpressionDefinition.evaluate(ExpressionDefinition.java:118)
~[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.builder.ExpressionBuilder$KeyedOgnlExpressionAdapter.evaluate(ExpressionBuilder.java:2490)
~[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.support.ExpressionAdapter.evaluate(ExpressionAdapter.java:36)
~[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.builder.BinaryPredicateSupport.matchesReturningFailureMessage(BinaryPredicateSupport.java:60)
~[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.builder.BinaryPredicateSupport.matches(BinaryPredicateSupport.java:50)
~[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.language.simple.ast.BinaryExpression$5.evaluate(BinaryExpression.java:233)
~[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.util.ExpressionToPredicateAdapter.matches(ExpressionToPredicateAdapter.java:37)
~[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.builder.SimpleBuilder.matches(SimpleBuilder.java:85)
~[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.processor.FilterProcessor.matches(FilterProcessor.java:65)
~[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.processor.ChoiceProcessor.process(ChoiceProcessor.java:93)
~[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:541)
[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:198)
[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:198)
[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.component.direct.DirectProducer.process(DirectProducer.java:62)
[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:198)
[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.processor.DelegateAsyncProcessor.process(DelegateAsyncProcessor.java:97)
[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.impl.ProducerCache$1.doInProducer(ProducerCache.java:529)
[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.impl.ProducerCache$1.doInProducer(ProducerCache.java:497)
[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.impl.ProducerCache.doInProducer(ProducerCache.java:365)
[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.impl.ProducerCache.sendExchange(ProducerCache.java:497)
[camel-core-2.19.0.jar:2.19.0]
at org.apache.camel.impl.ProducerCache.send(ProducerCache.java:209)
[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.impl.DefaultProducerTemplate.send(DefaultProducerTemplate.java:139)
[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.impl.DefaultProducerTemplate.send(DefaultProducerTemplate.java:374)
[camel-core-2.19.0.jar:2.19.0]
Caused by: org.apache.camel.component.bean.MethodNotFoundException: Method with
name: isEmpty() (with no parameters) not found on bean: [89784409, 89784410] of
type: com.google.common.collect.RegularImmutableSet. Exchange[]
at
org.apache.camel.component.bean.BeanInfo.createInvocation(BeanInfo.java:273)
~[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.component.bean.BeanInfo.createInvocation(BeanInfo.java:189)
~[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.component.bean.BeanProcessor.process(BeanProcessor.java:160)
~[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.util.AsyncProcessorHelper.process(AsyncProcessorHelper.java:109)
~[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.component.bean.BeanProcessor.process(BeanProcessor.java:69)
~[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.language.bean.BeanExpression$InvokeProcessor.process(BeanExpression.java:212)
~[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.language.bean.BeanExpression$OgnlInvokeProcessor.process(BeanExpression.java:323)
~[camel-core-2.19.0.jar:2.19.0]
{noformat}
but com.google.common.collect.RegularImmutableSet has an isEmpty method
(inherited from java.util.AbstractCollection).
was (Author: pascalschumacher):
As a workaround I tried to use this simple expression:
{code}${headers.materialnumbers.isEmpty()} != true}
This fails with:
{no-format}2017-05-08 09:32:07,322 ERR [main]
org.apache.camel.processor.DefaultErrorHandler - Failed delivery for
(MessageId: ID-RDDE102Y-62492-1494228726331-0-1 on ExchangeId:
ID-RDDE102Y-62492-1494228726331-0-2). Exhausted after delivery attempt: 1
caught: org.apache.camel.language.bean.RuntimeBeanExpressionException: Failed
to invoke method: isEmpty() on null due to:
org.apache.camel.component.bean.MethodNotFoundException: Method with name:
isEmpty() (with no parameters) not found on bean: [89784409, 89784410] of type:
com.google.common.collect.RegularImmutableSet. Exchange[]
Message History
---------------------------------------------------------------------------------------------------------------------------------------
RouteId ProcessorId Processor
Elapsed (ms)
[Read Textbaustein ] [Read Textbaustein ] [
] [ 67]
[Read Textbaustein ] [choice1 ] [when[simple{Simple:
${headers.Materialnummern.isEmpty()} != true}]choice[] ] [ 62]
Stacktrace
---------------------------------------------------------------------------------------------------------------------------------------
org.apache.camel.language.bean.RuntimeBeanExpressionException: Failed to invoke
method: isEmpty() on null due to:
org.apache.camel.component.bean.MethodNotFoundException: Method with name:
isEmpty() (with no parameters) not found on bean: [89784409, 89784410] of type:
com.google.common.collect.RegularImmutableSet. Exchange[]
at
org.apache.camel.language.bean.BeanExpression$OgnlInvokeProcessor.process(BeanExpression.java:327)
~[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.language.bean.BeanExpression.evaluate(BeanExpression.java:115)
~[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.language.bean.BeanExpression.evaluate(BeanExpression.java:139)
~[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.model.language.ExpressionDefinition.evaluate(ExpressionDefinition.java:126)
~[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.model.language.ExpressionDefinition.evaluate(ExpressionDefinition.java:118)
~[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.builder.ExpressionBuilder$KeyedOgnlExpressionAdapter.evaluate(ExpressionBuilder.java:2490)
~[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.support.ExpressionAdapter.evaluate(ExpressionAdapter.java:36)
~[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.builder.BinaryPredicateSupport.matchesReturningFailureMessage(BinaryPredicateSupport.java:60)
~[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.builder.BinaryPredicateSupport.matches(BinaryPredicateSupport.java:50)
~[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.language.simple.ast.BinaryExpression$5.evaluate(BinaryExpression.java:233)
~[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.util.ExpressionToPredicateAdapter.matches(ExpressionToPredicateAdapter.java:37)
~[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.builder.SimpleBuilder.matches(SimpleBuilder.java:85)
~[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.processor.FilterProcessor.matches(FilterProcessor.java:65)
~[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.processor.ChoiceProcessor.process(ChoiceProcessor.java:93)
~[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:541)
[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:198)
[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:198)
[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.component.direct.DirectProducer.process(DirectProducer.java:62)
[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:198)
[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.processor.DelegateAsyncProcessor.process(DelegateAsyncProcessor.java:97)
[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.impl.ProducerCache$1.doInProducer(ProducerCache.java:529)
[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.impl.ProducerCache$1.doInProducer(ProducerCache.java:497)
[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.impl.ProducerCache.doInProducer(ProducerCache.java:365)
[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.impl.ProducerCache.sendExchange(ProducerCache.java:497)
[camel-core-2.19.0.jar:2.19.0]
at org.apache.camel.impl.ProducerCache.send(ProducerCache.java:209)
[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.impl.DefaultProducerTemplate.send(DefaultProducerTemplate.java:139)
[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.impl.DefaultProducerTemplate.send(DefaultProducerTemplate.java:374)
[camel-core-2.19.0.jar:2.19.0]
Caused by: org.apache.camel.component.bean.MethodNotFoundException: Method with
name: isEmpty() (with no parameters) not found on bean: [89784409, 89784410] of
type: com.google.common.collect.RegularImmutableSet. Exchange[]
at
org.apache.camel.component.bean.BeanInfo.createInvocation(BeanInfo.java:273)
~[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.component.bean.BeanInfo.createInvocation(BeanInfo.java:189)
~[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.component.bean.BeanProcessor.process(BeanProcessor.java:160)
~[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.util.AsyncProcessorHelper.process(AsyncProcessorHelper.java:109)
~[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.component.bean.BeanProcessor.process(BeanProcessor.java:69)
~[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.language.bean.BeanExpression$InvokeProcessor.process(BeanExpression.java:212)
~[camel-core-2.19.0.jar:2.19.0]
at
org.apache.camel.language.bean.BeanExpression$OgnlInvokeProcessor.process(BeanExpression.java:323)
~[camel-core-2.19.0.jar:2.19.0]
{no-format}
but com.google.common.collect.RegularImmutableSet has an isEmpty method
(inherited from java.util.AbstractCollection).
> Simple Language: Set#size fails with AmbiguousMethodCallException
> -----------------------------------------------------------------
>
> Key: CAMEL-11235
> URL: https://issues.apache.org/jira/browse/CAMEL-11235
> Project: Camel
> Issue Type: Bug
> Affects Versions: 2.19.0
> Reporter: Pascal Schumacher
>
> After updating from 2.18.3 to 2.19.0 the following simple expression:
> {code}${headers.materialnumbers.size} != 0{code}
> (materialnumbers is a HashSet) fails with:
> {noformat}
> 2017-05-08 09:10:17,143 ERR [main]
> org.apache.camel.processor.DefaultErrorHandler - Failed delivery for
> (MessageId: ID-RDDE102Y-57877-1494227416153-0-1 on ExchangeId:
> ID-RDDE102Y-57877-1494227416153-0-2). Exhausted after delivery attempt: 1
> caught: org.apache.camel.language.bean.RuntimeBeanExpressionException: Failed
> to invoke method: size on null due to:
> org.apache.camel.component.bean.AmbiguousMethodCallException: Ambiguous
> method invocations possible: [public abstract int java.util.Set.size(),
> public abstract int java.util.AbstractCollection.size()]. Exchange[]
> Message History
> ---------------------------------------------------------------------------------------------------------------------------------------
> RouteId ProcessorId Processor
> Elapsed (ms)
> [Read TB ] [Read TB ] [
> ] [ 67]
> [Read TB ] [choice1 ] [when[simple{Simple:
> ${headers.materialnumbers.size} != 0}]choice[] ] [ 62]
> Stacktrace
> ---------------------------------------------------------------------------------------------------------------------------------------
> org.apache.camel.language.bean.RuntimeBeanExpressionException: Failed to
> invoke method: size on null due to:
> org.apache.camel.component.bean.AmbiguousMethodCallException: Ambiguous
> method invocations possible: [public abstract int java.util.Set.size(),
> public abstract int java.util.AbstractCollection.size()]. Exchange[]
> at
> org.apache.camel.language.bean.BeanExpression$OgnlInvokeProcessor.process(BeanExpression.java:327)
> at
> org.apache.camel.language.bean.BeanExpression.evaluate(BeanExpression.java:115)
> ~[camel-core-2.19.0.jar:2.19.0]
> at
> org.apache.camel.language.bean.BeanExpression.evaluate(BeanExpression.java:139)
> ~[camel-core-2.19.0.jar:2.19.0]
> at
> org.apache.camel.model.language.ExpressionDefinition.evaluate(ExpressionDefinition.java:126)
> ~[camel-core-2.19.0.jar:2.19.0]
> at
> org.apache.camel.model.language.ExpressionDefinition.evaluate(ExpressionDefinition.java:118)
> ~[camel-core-2.19.0.jar:2.19.0]
> at
> org.apache.camel.builder.ExpressionBuilder$KeyedOgnlExpressionAdapter.evaluate(ExpressionBuilder.java:2490)
> ~[camel-core-2.19.0.jar:2.19.0]
> at
> org.apache.camel.support.ExpressionAdapter.evaluate(ExpressionAdapter.java:36)
> ~[camel-core-2.19.0.jar:2.19.0]
> at
> org.apache.camel.builder.BinaryPredicateSupport.matchesReturningFailureMessage(BinaryPredicateSupport.java:60)
> ~[camel-core-2.19.0.jar:2.19.0]
> at
> org.apache.camel.builder.BinaryPredicateSupport.matches(BinaryPredicateSupport.java:50)
> ~[camel-core-2.19.0.jar:2.19.0]
> at
> org.apache.camel.language.simple.ast.BinaryExpression$5.evaluate(BinaryExpression.java:233)
> ~[camel-core-2.19.0.jar:2.19.0]
> at
> org.apache.camel.util.ExpressionToPredicateAdapter.matches(ExpressionToPredicateAdapter.java:37)
> ~[camel-core-2.19.0.jar:2.19.0]
> at
> org.apache.camel.builder.SimpleBuilder.matches(SimpleBuilder.java:85)
> ~[camel-core-2.19.0.jar:2.19.0]
> at
> org.apache.camel.processor.FilterProcessor.matches(FilterProcessor.java:65)
> ~[camel-core-2.19.0.jar:2.19.0]
> at
> org.apache.camel.processor.ChoiceProcessor.process(ChoiceProcessor.java:93)
> ~[camel-core-2.19.0.jar:2.19.0]
> at
> org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:541)
> [camel-core-2.19.0.jar:2.19.0]
> at
> org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:198)
> [camel-core-2.19.0.jar:2.19.0]
> at
> org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:198)
> [camel-core-2.19.0.jar:2.19.0]
> at
> org.apache.camel.component.direct.DirectProducer.process(DirectProducer.java:62)
> [camel-core-2.19.0.jar:2.19.0]
> at
> org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:198)
> [camel-core-2.19.0.jar:2.19.0]
> at
> org.apache.camel.processor.DelegateAsyncProcessor.process(DelegateAsyncProcessor.java:97)
> [camel-core-2.19.0.jar:2.19.0]
> at
> org.apache.camel.impl.ProducerCache$1.doInProducer(ProducerCache.java:529)
> [camel-core-2.19.0.jar:2.19.0]
> at
> org.apache.camel.impl.ProducerCache$1.doInProducer(ProducerCache.java:497)
> [camel-core-2.19.0.jar:2.19.0]
> at
> org.apache.camel.impl.ProducerCache.doInProducer(ProducerCache.java:365)
> [camel-core-2.19.0.jar:2.19.0]
> at
> org.apache.camel.impl.ProducerCache.sendExchange(ProducerCache.java:497)
> [camel-core-2.19.0.jar:2.19.0]
> at org.apache.camel.impl.ProducerCache.send(ProducerCache.java:209)
> [camel-core-2.19.0.jar:2.19.0]
> at
> org.apache.camel.impl.DefaultProducerTemplate.send(DefaultProducerTemplate.java:139)
> [camel-core-2.19.0.jar:2.19.0]
> at
> org.apache.camel.impl.DefaultProducerTemplate.send(DefaultProducerTemplate.java:374)
> [camel-core-2.19.0.jar:2.19.0]
> Caused by: org.apache.camel.component.bean.AmbiguousMethodCallException:
> Ambiguous method invocations possible: [public abstract int
> java.util.Set.size(), public abstract int
> java.util.AbstractCollection.size()]. Exchange[]
> at
> org.apache.camel.component.bean.BeanInfo.createInvocation(BeanInfo.java:278)
> ~[camel-core-2.19.0.jar:2.19.0]
> at
> org.apache.camel.component.bean.BeanInfo.createInvocation(BeanInfo.java:189)
> ~[camel-core-2.19.0.jar:2.19.0]
> at
> org.apache.camel.component.bean.BeanProcessor.process(BeanProcessor.java:160)
> ~[camel-core-2.19.0.jar:2.19.0]
> at
> org.apache.camel.util.AsyncProcessorHelper.process(AsyncProcessorHelper.java:109)
> ~[camel-core-2.19.0.jar:2.19.0]
> at
> org.apache.camel.component.bean.BeanProcessor.process(BeanProcessor.java:69)
> ~[camel-core-2.19.0.jar:2.19.0]
> at
> org.apache.camel.language.bean.BeanExpression$InvokeProcessor.process(BeanExpression.java:212)
> ~[camel-core-2.19.0.jar:2.19.0]
> at
> org.apache.camel.language.bean.BeanExpression$OgnlInvokeProcessor.process(BeanExpression.java:323)
> ~[camel-core-2.19.0.jar:2.19.0]
> {noformat}
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