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Posted to issues@cxf.apache.org by "Sergey Beryozkin (JIRA)" <ji...@apache.org> on 2015/09/10 10:47:45 UTC
[jira] [Commented] (CXF-6588) NPE in providers.getMessageBodyReader
[ https://issues.apache.org/jira/browse/CXF-6588?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14738417#comment-14738417 ]
Sergey Beryozkin commented on CXF-6588:
---------------------------------------
Can you get me something reproducible please, having a Maven test project would be ideal...
> NPE in providers.getMessageBodyReader
> -------------------------------------
>
> Key: CXF-6588
> URL: https://issues.apache.org/jira/browse/CXF-6588
> Project: CXF
> Issue Type: Bug
> Components: JAX-RS
> Affects Versions: 3.1.2
> Reporter: David J. M. Karlsen
>
> I have this ParamConverter:
> {code}
> @Provider
> @Component
> public class JacksonParamConverterProvider
> implements ParamConverterProvider
> {
> private final JsonMapperConfigurator jsonMapperConfigurator;
> @Context
> private Providers providers;
> public JacksonParamConverterProvider()
> {
> ObjectMapper objectMapper = new ObjectMapper();
> this.jsonMapperConfigurator =
> new JsonMapperConfigurator( objectMapper, new Annotations[]{ Annotations.JAXB, Annotations.JACKSON } );
> }
> @Override
> public <T> ParamConverter<T> getConverter( Class<T> rawType, Type genericType, Annotation[] annotations )
> {
> MessageBodyReader<T> messageBodyReader = providers.getMessageBodyReader( rawType,
> genericType,
> annotations,
> MediaType.APPLICATION_JSON_TYPE );
> if ( messageBodyReader == null || !messageBodyReader.isReadable( rawType, genericType, annotations, MediaType.APPLICATION_JSON_TYPE ) ) {
> return null;
> }
> if ( canConvert( rawType ) )
> {
> return new ParamConverter<T>()
> {
> @Override
> public T fromString( String value )
> {
> ObjectReader objectReader = getObjectMapper().readerFor( rawType );
> try
> {
> return objectReader.readValue( value );
> }
> catch ( IOException e )
> {
> throw new ProcessingException( e );
> }
> }
> @Override
> public String toString( T value )
> {
> try
> {
> return getObjectMapper().writerFor( rawType ).writeValueAsString( value );
> }
> catch ( JsonProcessingException e )
> {
> throw new ProcessingException( e );
> }
> }
> };
> }
> else
> {
> return null;
> }
> }
> private ObjectMapper getObjectMapper()
> {
> return jsonMapperConfigurator.getConfiguredMapper();
> }
> private boolean isNotSimpleType( Class<?> rawType )
> {
> return ! ( rawType.getPackage().getName().startsWith( "java.lang" ) || ClassUtils.isPrimitiveOrWrapper( rawType ) );
> }
> private boolean canConvert( Class<?> rawType )
> {
> return isNotSimpleType( rawType ) && getObjectMapper().canSerialize( rawType );
> }
> {code}
> which will get an NPE when calling getMessageBodyReader:
> {noformat}
> java.lang.NullPointerException: null
> at org.apache.cxf.jaxrs.impl.tl.ThreadLocalProviders.getMessageBodyReader(ThreadLocalProviders.java:39) ~[cxf-rt-frontend-jaxrs-3.1.2.jar:3.1.2]
> at com.edb.fs.tac.jfr.srv.ws.jaxrs.JacksonParamConverterProvider.getConverter(JacksonParamConverterProvider.java:50) ~[classes/:na]
> at org.apache.cxf.jaxrs.provider.ProviderFactory.createParameterHandler(ProviderFactory.java:256) ~[cxf-rt-frontend-jaxrs-3.1.2.jar:3.1.2]
> at org.apache.cxf.jaxrs.client.AbstractClient.convertParamValue(AbstractClient.java:742) ~[cxf-rt-rs-client-3.1.2.jar:3.1.2]
> at org.apache.cxf.jaxrs.client.AbstractClient.header(AbstractClient.java:139) ~[cxf-rt-rs-client-3.1.2.jar:3.1.2]
> at org.apache.cxf.jaxrs.client.WebClient.header(WebClient.java:846) ~[cxf-rt-rs-client-3.1.2.jar:3.1.2]
> at org.apache.cxf.jaxrs.client.WebClient.header(WebClient.java:83) ~[cxf-rt-rs-client-3.1.2.jar:3.1.2]
> at com.edb.fs.tac.jfr.srv.ws.AbstractJaxRsSpringWithMocksTest.setHttpHeaders(AbstractJaxRsSpringWithMocksTest.java:109) ~[test-classes/:na]
> at com.edb.fs.tac.jfr.srv.ws.AbstractJaxRsSpringWithMocksTest.getWebClient(AbstractJaxRsSpringWithMocksTest.java:63) ~[test-classes/:na]
> at com.edb.fs.tac.jfr.srv.ws.AbstractJaxRsSpringWithMocksTest.getClientProxy(AbstractJaxRsSpringWithMocksTest.java:79) ~[test-classes/:na]
> at com.edb.fs.tac.jfr.srv.ws.service.customer.CustomerResourceIntegrationTest.testWithComplexQueryObjectWithSubComplexTypes(CustomerResourceIntegrationTest.java:69) ~[test-classes/:na]
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_60]
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_60]
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_60]
> at java.lang.reflect.Method.invoke(Method.java:497) ~[na:1.8.0_60]
> at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50) ~[junit-4.12.jar:4.12]
> at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) ~[junit-4.12.jar:4.12]
> at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47) ~[junit-4.12.jar:4.12]
> at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) ~[junit-4.12.jar:4.12]
> at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:74) ~[spring-test-4.2.1.RELEASE.jar:4.2.1.RELEASE]
> at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:85) ~[spring-test-4.2.1.RELEASE.jar:4.2.1.RELEASE]
> at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:55) ~[junit-4.12.jar:4.12]
> at org.junit.rules.RunRules.evaluate(RunRules.java:20) [junit-4.12.jar:4.12]
> at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:86) [spring-test-4.2.1.RELEASE.jar:4.2.1.RELEASE]
> at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325) [junit-4.12.jar:4.12]
> at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:241) [spring-test-4.2.1.RELEASE.jar:4.2.1.RELEASE]
> at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:87) [spring-test-4.2.1.RELEASE.jar:4.2.1.RELEASE]
> at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) [junit-4.12.jar:4.12]
> at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) [junit-4.12.jar:4.12]
> at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) [junit-4.12.jar:4.12]
> at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) [junit-4.12.jar:4.12]
> at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) [junit-4.12.jar:4.12]
> at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26) [junit-4.12.jar:4.12]
> at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61) [spring-test-4.2.1.RELEASE.jar:4.2.1.RELEASE]
> at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70) [spring-test-4.2.1.RELEASE.jar:4.2.1.RELEASE]
> at org.junit.runners.ParentRunner.run(ParentRunner.java:363) [junit-4.12.jar:4.12]
> at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:180) [spring-test-4.2.1.RELEASE.jar:4.2.1.RELEASE]
> at org.junit.runner.JUnitCore.run(JUnitCore.java:137) [junit-4.12.jar:4.12]
> at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:78) [junit-rt.jar:na]
> at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:212) [junit-rt.jar:na]
> at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:68) [junit-rt.jar:na]
> {noformat}
> I am running with localtransport.
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