Weblogic 12c上的Spring

Question

我目前正在开发一个应用程序，该应用程序使用Spring (http://projects.spring.io/spring-security-saml/)项目作为身份验证的一部分。我知道它还在RC中，但我们正在开发的应用程序也是如此。当部署到Tomcat7时，这个库已经集成并完全运行，但是在部署到WebLogic12c (12.0.1.2)时遇到了问题。在Weblogic上，在不抛出任何错误的情况下，断言值将被拆分为空、无错误。

问题似乎在于Xerces库。据我所知，Spring (由于OpenSAML)需要2.10.0，但Weblogic提供了2.8.0的Xerces库，我试图通过在projects WEB/lib文件夹中包含适当的xercesImpl和xml来更新Xerces库版本。这解决了Spring的解压缩问题，但破坏了Weblogics解析JSP页面的能力。我已经为下面的未升级和升级的Xerces异常提供了部分堆栈跟踪。如果有人知道如何正确解决这个问题，以便Spring能够在不破坏默认功能的情况下运行Weblogic，我将非常感激。

这是更新Xerces之前的堆栈跟踪。

2014-07-31 10:43:37,675 [[ACTIVE] ExecuteThread: '2' for queue:     'weblogic.kernel.Default (self-tuning)'] DEBUG org.apache.xml.security.algorithms.JCEMapper   - Request for U
RI http://www.w3.org/2001/04/xmlenc#aes256-cbc
2014-07-31 10:43:37,675 [[ACTIVE] ExecuteThread: '2' for queue:    'weblogic.kernel.Default (self-tuning)'] DEBUG org.apache.xml.security.encryption.XMLCipher    - JCE Algorithm
 = AES/CBC/ISO10126Padding
<Jul 31, 2014 10:43:37 AM EDT> <Error> <HTTP> <BEA-101020>     <[ServletContext@1538876008[app:intranet module:intranet.war path:null spec-version:3.0]]    Servlet failed with an
Exception
java.lang.NumberFormatException: For input string: ""
    at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
    at java.lang.Integer.parseInt(Integer.java:504)
    at java.lang.Integer.valueOf(Integer.java:582)
    at org.opensaml.common.SAMLVersion.valueOf(SAMLVersion.java:89)
    at org.opensaml.saml2.core.impl.AssertionUnmarshaller.processAttribute(AssertionUnmarshaller.java:71)
    at org.opensaml.xml.io.AbstractXMLObjectUnmarshaller.unmarshallAttribute(AbstractXMLObjectUnmarshaller.java:254)
    at org.opensaml.xml.io.AbstractXMLObjectUnmarshaller.unmarshall(AbstractXMLObjectUnmarshaller.java:113)
    at org.opensaml.xml.encryption.Decrypter.decryptDataToList(Decrypter.java:479)
    at org.opensaml.xml.encryption.Decrypter.decryptData(Decrypter.java:403)
    at org.opensaml.saml2.encryption.Decrypter.decryptData(Decrypter.java:141)
    at org.opensaml.saml2.encryption.Decrypter.decrypt(Decrypter.java:69)
    at org.springframework.security.saml.websso.WebSSOProfileConsumerImpl.processAuthenticationResponse(WebSSOProfileConsumerImpl.java:190)
    at org.springframework.security.saml.SAMLAuthenticationProvider.authenticate(SAMLAuthenticationProvider.java:82)
    at org.springframework.security.authentication.ProviderManager.authenticate(ProviderManager.java:156)
    at org.springframework.security.saml.SAMLProcessingFilter.attemptAuthentication(SAMLProcessingFilter.java:84)

这是将Xerces更新为2.10.0之后的堆栈跟踪。

weblogic.servlet.jsp.CompilationException: Failed to compile JSP /WEB-  INF/jsp/errors/500.jsp
500.jsp:1:1: The validator class: "org.apache.taglibs.standard.tlv.JstlCoreTLV" has       failed with the following exception: "java.lang.ClassCastException: weblogic.xml.jaxp.Re
gistrySAXParserFactory cannot be cast to javax.xml.parsers.SAXParserFactory".
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
^-------------------------------------------------------------^
500.jsp:2:5: No tag library could be found with this URI. Possible causes could be that     the URI is incorrect, or that there were errors during parsing of the .tld file.
<%@ taglib prefix="int" uri="intranet"%>
^----^
 500.jsp:2:5: No tag library could be found with this URI. Possible causes could be   that the URI is incorrect, or that there were errors during parsing of the .tld file.
<%@ taglib prefix="int" uri="intranet"%>
^----^
500.jsp:6:3: This tag can only appear as a subelement of a standard or custom action.    Exceptions are: jsp:body, jsp:attribute, jsp:expression, jsp:scriptlet, and jsp:declaration.
    <jsp:attribute name="minifiedJs">
     ^-----------^
 500.jsp:8:3: This tag can only appear as a subelement of a standard or custom action.   Exceptions are: jsp:body, jsp:attribute, jsp:expression, jsp:scriptlet, and jsp:declaration.
    <jsp:attribute name="nonMinifiedJs">
     ^-----------^
  500.jsp:11:3: This tag can only appear as a subelement of a standard or custom action. Exceptions are: jsp:body, jsp:attribute, jsp:expression, jsp:scriptlet, and jsp:declaration.
    <jsp:body>
     ^------^

    at weblogic.servlet.jsp.JavelinxJSPStub.reportCompilationErrorIfNeccessary(JavelinxJSPStub.java:243)
    at weblogic.servlet.jsp.JavelinxJSPStub.compilePage0(JavelinxJSPStub.java:179)
    at weblogic.servlet.jsp.JavelinxJSPStub.access$000(JavelinxJSPStub.java:50)
    at weblogic.servlet.jsp.JavelinxJSPStub$1.run(JavelinxJSPStub.java:108)
    at java.security.AccessController.doPrivileged(Native Method)
    at weblogic.servlet.jsp.JavelinxJSPStub.compilePage(JavelinxJSPStub.java:105)
    at weblogic.servlet.jsp.JspStub.prepareServlet(JspStub.java:247)
    at weblogic.servlet.jsp.JspStub.prepareServlet(JspStub.java:200)
    at weblogic.servlet.internal.ServletStubImpl.getServlet(ServletStubImpl.java:403)
    at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:295)
    at weblogic.servlet.internal.ServletStubImpl.onAddToMapException(ServletStubImpl.java:478)
    at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:367)
    at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:25)
    at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:79)
    ...

Answer 1

以下方法允许在Weblogic中捆绑自定义Xerces和Xalan库：

1. 创建ear存档spring-security-saml2-sample.ear
2. 在ear中包含Spring文件spring-security-saml2-sample.war，war应该包含自己版本的Xerces和Xalan。
3. 在ear中创建具有以下内容的文件META-INF/application.xml： 弹簧-安全.saml2 2-样本.战争弹簧.安全.saml2 2-样本
4. 创建具有以下内容的文件META-INF/weblogic-application.xml： org.apache.xerces.jaxp.DocumentBuilderFactoryImpl org.apache.xalan.processor.TransformerFactoryImpl org.opensaml.* org.apache.xerces* org.apache.xalan.*
5. 部署存档

Answer 2

以后再发生这种事的人。最后，我通过更新到xercesImpl版本2.9.0来解决这个问题。对于这个问题，这似乎是一个贴切的版本，尽管它比OpenSAML请求的要少--它修复了这个问题，同时也没有引起Weblogic的任何其他问题(就我目前所遇到的情况而言)。Xerces 2.10.0需要更新版本的xml才能运行，这导致了Weblogic出现问题(2.9.0似乎适用于Weblogic中包含的xml版本)。

Answer 3

您玩过war文件的prefer-web-inf-classes或ear文件的prefer-application-packages吗？其中之一很可能解决问题：

在weblogic-application.xml中：

<wls:prefer-application-packages>
    <wls:package-name>org.apache.xerces.xni.parser.*</wls:package-name>
    <wls:package-name>org.apache.xerces.parsers.*</wls:package-name>
    <wls:package-name>org.apache.xalan.*</wls:package-name>
</wls:prefer-application-packages>

在weblogic.xml中：

<wls:container-descriptor>
    <wls:prefer-web-inf-classes>true</prefer-web-inf-classes>
</wls:container-descriptor>

看这些甲骨文文档