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From Andreas Veithen <andreas.veit...@gmail.com>
Subject Re: Removing XML APIs Library
Date Wed, 21 Dec 2011 18:08:38 GMT
On Wed, Dec 21, 2011 at 16:53, Hiranya Jayathilaka <hiranya911@gmail.com> wrote:
> Hi Folks,
>
> This is with regard to https://issues.apache.org/jira/browse/SYNAPSE-410. I
> have upgraded the XML APIs library version to 2.0.2. Andreas pointed out
> that we don't really have to ship this library at all since we are on JDK 5.
> It seems having this library around can actually break stuff. I got the
> following exception from neethi while trying some throttling stuff:
>
> 2011-12-21 21:08:58,636 [-] [HttpServerWorker-1] ERROR NativeWorkerPool
> Uncaught exception
> java.lang.NoSuchMethodError:
> org.w3c.dom.Element.getTextContent()Ljava/lang/String;
> at
> org.apache.neethi.builders.xml.XMLPrimitiveAssertionBuilder.newPrimitiveAssertion(XMLPrimitiveAssertionBuilder.java:85)
> at
> org.apache.neethi.builders.xml.XMLPrimitiveAssertionBuilder.build(XMLPrimitiveAssertionBuilder.java:70)
> at
> org.apache.neethi.builders.xml.XMLPrimitiveAssertionBuilder.build(XMLPrimitiveAssertionBuilder.java:40)
> at
> org.apache.neethi.AssertionBuilderFactoryImpl.invokeBuilder(AssertionBuilderFactoryImpl.java:129)
> at
> org.apache.neethi.AssertionBuilderFactoryImpl.build(AssertionBuilderFactoryImpl.java:110)
> at
> org.apache.neethi.PolicyBuilder.processOperationElement(PolicyBuilder.java:220)
> at org.apache.neethi.PolicyBuilder.getPolicyOperator(PolicyBuilder.java:172)
> at org.apache.neethi.PolicyBuilder.getPolicy(PolicyBuilder.java:125)
> at org.apache.neethi.PolicyEngine.getPolicy(PolicyEngine.java:113)
> at
> org.wso2.throttle.ThrottleFactory.createThrottle(ThrottleFactory.java:134)
> at
> org.wso2.throttle.ThrottleFactory.createMediatorThrottle(ThrottleFactory.java:88)
> at
> org.apache.synapse.mediators.throttle.ThrottleMediator.mediate(ThrottleMediator.java:152)
> at
> org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:60)
> at
> org.apache.synapse.mediators.filters.InMediator.mediate(InMediator.java:55)
> at
> org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:60)
> at
> org.apache.synapse.mediators.base.SequenceMediator.mediate(SequenceMediator.java:114)
> at
> org.apache.synapse.core.axis2.Axis2SynapseEnvironment.injectMessage(Axis2SynapseEnvironment.java:188)
> at
> org.apache.synapse.core.axis2.SynapseMessageReceiver.receive(SynapseMessageReceiver.java:83)
> at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:181)
> at
> org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:176)
> at
> org.apache.synapse.transport.nhttp.ServerWorker.processEntityEnclosingMethod(ServerWorker.java:454)
> at
> org.apache.synapse.transport.nhttp.ServerWorker.run(ServerWorker.java:280)
> at
> org.apache.axis2.transport.base.threads.NativeWorkerPool$1.run(NativeWorkerPool.java:173)
>
> The getTextContent method was not available in the old DOM API. When I
> removed the xml-apis library from Synapse, it started to use the one
> provided by JDK and things worked as expected. So looks like we have to get
> rid of this. Does anybody see any issues with removing this?
>
> Andreas, is it really safe to remove this?

Yes

> Will there be issues on other
> JDKs (eg: IBM JDK)?

No

> Thanks
> --
> Hiranya Jayathilaka
> Associate Technical Lead;
> WSO2 Inc.;  http://wso2.org
> E-mail: hiranya@wso2.com;  Mobile: +94 77 633 3491
> Blog: http://techfeast-hiranya.blogspot.com

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