[teiid-issues] [JBoss JIRA] (TEIID-5183) NPE in Swagger translator

dalex dalex (JIRA) issues at jboss.org
Fri Jan 5 06:22:00 EST 2018


    [ https://issues.jboss.org/browse/TEIID-5183?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13509780#comment-13509780 ] 

dalex dalex commented on TEIID-5183:
------------------------------------

[~shawkins] another problem, if you change the endpoint which I used above to use secured http without any security domains:
{code:xml}
                <resource-adapter id="swagger">
                    <module slot="main" id="org.jboss.teiid.resource-adapter.webservice"/>
                    <transaction-support>NoTransaction</transaction-support>
                    <connection-definitions>
                        <connection-definition class-name="org.teiid.resource.adapter.ws.WSManagedConnectionFactory" jndi-name="java:/swagger" enabled="true" use-java-context="true" pool-name="teiid-swagger-ds">
                            <config-property name="EndPoint">
                                https://api.apis.guru/v2/specs/deutschebahn.com/fahrplan/v1/
                            </config-property>
                        </connection-definition>
                    </connection-definitions>
                </resource-adapter>
{code}
you will get the following stacktrace with errors:
{code:noformat}
2018-01-05 12:19:24,102 WARNING [org.apache.cxf.phase.PhaseInterceptorChain] (Worker1_async-teiid-threads0)  Interceptor for {https://api.apis.guru/v2/specs/deutschebahn.com/fahrplan
/v1/swagger.json}WebClient has thrown exception, unwinding now: org.apache.cxf.interceptor.Fault: Could not send Message.
        at org.apache.cxf.interceptor.MessageSenderInterceptor$MessageSenderEndingInterceptor.handleMessage(MessageSenderInterceptor.java:64)
        at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308)
        at org.apache.cxf.jaxrs.client.AbstractClient.doRunInterceptorChain(AbstractClient.java:649)
        at org.apache.cxf.jaxrs.client.WebClient.doChainedInvocation(WebClient.java:1093)
        at org.apache.cxf.jaxrs.client.WebClient.doInvoke(WebClient.java:894)
        at org.apache.cxf.jaxrs.client.WebClient.doInvoke(WebClient.java:865)
        at org.apache.cxf.jaxrs.client.WebClient.invoke(WebClient.java:331)
        at org.teiid.resource.adapter.ws.WSConnectionImpl$HttpDispatch.invoke(WSConnectionImpl.java:204)
        at org.teiid.resource.adapter.ws.WSConnectionImpl$HttpDispatch.invoke(WSConnectionImpl.java:123)
        at org.teiid.translator.ws.BinaryWSProcedureExecution.execute(BinaryWSProcedureExecution.java:156)
        at org.teiid.translator.swagger.SwaggerMetadataProcessor.getSchema(SwaggerMetadataProcessor.java:682)
        at org.teiid.translator.swagger.SwaggerMetadataProcessor.process(SwaggerMetadataProcessor.java:177)
        at org.teiid.translator.swagger.SwaggerMetadataProcessor.process(SwaggerMetadataProcessor.java:70)
        at org.teiid.translator.ExecutionFactory.getMetadata(ExecutionFactory.java:961)
        at org.teiid.query.metadata.NativeMetadataRepository.getMetadata(NativeMetadataRepository.java:96)
        at org.teiid.query.metadata.NativeMetadataRepository.loadMetadata(NativeMetadataRepository.java:62)
        at org.teiid.query.metadata.ChainingMetadataRepository.loadMetadata(ChainingMetadataRepository.java:55)
        at org.teiid.jboss.VDBService$6.run(VDBService.java:341)
        at org.teiid.jboss.VDBService$7.run(VDBService.java:392)
        at org.teiid.dqp.internal.process.DQPWorkContext.runInContext(DQPWorkContext.java:284)
        at org.teiid.dqp.internal.process.ThreadReuseExecutor$RunnableWrapper.run(ThreadReuseExecutor.java:119)
        at org.teiid.dqp.internal.process.ThreadReuseExecutor$3.run(ThreadReuseExecutor.java:210)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
Caused by: javax.net.ssl.SSLHandshakeException: SSLHandshakeException invoking https://api.apis.guru/v2/specs/deutschebahn.com/fahrplan/v1/swagger.json: Received fatal alert: handsha
ke_failure
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
        at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.mapException(HTTPConduit.java:1376)
        at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.close(HTTPConduit.java:1360)
        at org.apache.cxf.transport.AbstractConduit.close(AbstractConduit.java:56)
        at org.apache.cxf.transport.http.HTTPConduit.close(HTTPConduit.java:651)
        at org.apache.cxf.interceptor.MessageSenderInterceptor$MessageSenderEndingInterceptor.handleMessage(MessageSenderInterceptor.java:62)
        ... 24 more
Caused by: javax.net.ssl.SSLHandshakeException: Received fatal alert: handshake_failure
{code}
but I can get swagger.json directly using even secured http, so I think to get all metadata there are no needs to provide security domains at all.

> NPE in Swagger translator
> -------------------------
>
>                 Key: TEIID-5183
>                 URL: https://issues.jboss.org/browse/TEIID-5183
>             Project: Teiid
>          Issue Type: Bug
>          Components: Misc. Connectors
>    Affects Versions: 9.3.4
>         Environment: teiid-9.3.4 on WildFly Full 10.0.0.Final (WildFly Core 2.0.10.Final)
>            Reporter: dalex dalex
>            Assignee: Steven Hawkins
>             Fix For: 10.1, 9.3.6, 10.0.2
>
>         Attachments: swagger_null_values.jpg
>
>
> When using the http://api.apis.guru/v2/specs/azure.com/redis/2017-10-01/ link as an endpoint for swagger resource adapter Teiid throws up the following error message (in bootstrapping phase), though with http://petstore.swagger.io/v2 endpoint according to the https://teiid.gitbooks.io/documents/reference/Swagger_Translator.html documentation the translator works:
> {code:noformat}
> 2017-12-18 16:14:43,975 WARN  [org.teiid.RUNTIME] (Worker1_async-teiid-threads1)  TEIID50036 VDB test.1 model "mswagger" metadata failed to load. Reason:java.lang.NullPointerExceptio
> n: java.lang.NullPointerException
>         at org.teiid.metadata.MetadataFactory.setUUID(MetadataFactory.java:155)
>         at org.teiid.metadata.MetadataFactory.addProcedureParameter(MetadataFactory.java:421)
>         at org.teiid.translator.swagger.SwaggerMetadataProcessor.addProcedureParameters(SwaggerMetadataProcessor.java:560)
>         at org.teiid.translator.swagger.SwaggerMetadataProcessor.addProcedure(SwaggerMetadataProcessor.java:261)
>         at org.teiid.translator.swagger.SwaggerMetadataProcessor.process(SwaggerMetadataProcessor.java:206)
>         at org.teiid.translator.swagger.SwaggerMetadataProcessor.process(SwaggerMetadataProcessor.java:74)
>         at org.teiid.translator.ExecutionFactory.getMetadata(ExecutionFactory.java:961)
>         at org.teiid.query.metadata.NativeMetadataRepository.getMetadata(NativeMetadataRepository.java:96)
>         at org.teiid.query.metadata.NativeMetadataRepository.loadMetadata(NativeMetadataRepository.java:62)
>         at org.teiid.query.metadata.ChainingMetadataRepository.loadMetadata(ChainingMetadataRepository.java:55)
>         at org.teiid.jboss.VDBService$6.run(VDBService.java:341)
>         at org.teiid.jboss.VDBService$7.run(VDBService.java:392)
>         at org.teiid.dqp.internal.process.DQPWorkContext.runInContext(DQPWorkContext.java:284)
>         at org.teiid.dqp.internal.process.ThreadReuseExecutor$RunnableWrapper.run(ThreadReuseExecutor.java:119)
>         at org.teiid.dqp.internal.process.ThreadReuseExecutor$3.run(ThreadReuseExecutor.java:210)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>         at java.lang.Thread.run(Thread.java:745)
> {code}
> The http://api.apis.guru/v2/specs/azure.com/redis/2017-10-01/ endpoint supports swagger API according to the https://apis.guru/browse-apis/ link and I can see json output when requesting the http://api.apis.guru/v2/specs/azure.com/redis/2017-10-01/swagger.json link. Probably the NPE appears because of RefParameter type which is not handled in SwaggerMetadataProcessor.addProcedureParameters method which leads to name = null.



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