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私は現在Eclipse（jdk/jre 1.7）で作業しており、JavaScript関数で論理演算子と演算子を使用しています：

 if (obj1.line && obj1.from && obj1.to) {
                line = obj1;
                obj1 = line.from;
                obj2 = line.to;
            }

プロジェクトをデプロイすると、次のエラーが発生します。

    ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[default-host].[/PFE-PresentationLayer].[Faces Servlet]] (http-localhost-127.0.0.1-8080-5) "Servlet.service()" pour la servlet Faces Servlet a généré une exception: javax.faces.view.facelets.FaceletException: Error Parsing /ancien.xhtml: Error Traced[line: 94] The entity name must immediately follow the '&' in the entity reference.
at com.sun.faces.facelets.compiler.SAXCompiler.doCompile(SAXCompiler.java:426) [jsf-impl-2.1.3-b02-jbossorg-2.jar:2.1.3-SNAPSHOT]
at com.sun.faces.facelets.compiler.SAXCompiler.doMetadataCompile(SAXCompiler.java:409) [jsf-impl-2.1.3-b02-jbossorg-2.jar:2.1.3-SNAPSHOT]
at com.sun.faces.facelets.compiler.Compiler.metadataCompile(Compiler.java:130) [jsf-impl-2.1.3-b02-jbossorg-2.jar:2.1.3-SNAPSHOT]
at com.sun.faces.facelets.impl.DefaultFaceletFactory.createMetadataFacelet(DefaultFaceletFactory.java:327) [jsf-impl-2.1.3-b02-jbossorg-2.jar:2.1.3-SNAPSHOT]
at com.sun.faces.facelets.impl.DefaultFaceletFactory.access$200(DefaultFaceletFactory.java:93) [jsf-impl-2.1.3-b02-jbossorg-2.jar:2.1.3-SNAPSHOT]
at com.sun.faces.facelets.impl.DefaultFaceletFactory$2.newInstance(DefaultFaceletFactory.java:166) [jsf-impl-2.1.3-b02-jbossorg-2.jar:2.1.3-SNAPSHOT]
at com.sun.faces.facelets.impl.DefaultFaceletFactory$2.newInstance(DefaultFaceletFactory.java:164) [jsf-impl-2.1.3-b02-jbossorg-2.jar:2.1.3-SNAPSHOT]
at com.sun.faces.facelets.impl.DefaultFaceletCache$2.newInstance(DefaultFaceletCache.java:94) [jsf-impl-2.1.3-b02-jbossorg-2.jar:2.1.3-SNAPSHOT]
at com.sun.faces.facelets.impl.DefaultFaceletCache$2.newInstance(DefaultFaceletCache.java:89) [jsf-impl-2.1.3-b02-jbossorg-2.jar:2.1.3-SNAPSHOT]
at com.sun.faces.util.ExpiringConcurrentCache$1.call(ExpiringConcurrentCache.java:99) [jsf-impl-2.1.3-b02-jbossorg-2.jar:2.1.3-SNAPSHOT]
at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source) [:1.7.0_21]
at java.util.concurrent.FutureTask.run(Unknown Source) [:1.7.0_21]
at com.sun.faces.util.ExpiringConcurrentCache.get(ExpiringConcurrentCache.java:114) [jsf-impl-2.1.3-b02-jbossorg-2.jar:2.1.3-SNAPSHOT]
at com.sun.faces.facelets.impl.DefaultFaceletCache.getViewMetadataFacelet(DefaultFaceletCache.java:143) [jsf-impl-2.1.3-b02-jbossorg-2.jar:2.1.3-SNAPSHOT]
at com.sun.faces.facelets.impl.DefaultFaceletCache.getViewMetadataFacelet(DefaultFaceletCache.java:62) [jsf-impl-2.1.3-b02-jbossorg-2.jar:2.1.3-SNAPSHOT]
at com.sun.faces.facelets.impl.DefaultFaceletFactory.getMetadataFacelet(DefaultFaceletFactory.java:260) [jsf-impl-2.1.3-b02-jbossorg-2.jar:2.1.3-SNAPSHOT]
at com.sun.faces.facelets.impl.DefaultFaceletFactory.getMetadataFacelet(DefaultFaceletFactory.java:209) [jsf-impl-2.1.3-b02-jbossorg-2.jar:2.1.3-SNAPSHOT]
at com.sun.faces.application.view.ViewMetadataImpl.createMetadataView(ViewMetadataImpl.java:114) [jsf-impl-2.1.3-b02-jbossorg-2.jar:2.1.3-SNAPSHOT]
at com.sun.faces.lifecycle.RestoreViewPhase.execute(RestoreViewPhase.java:233) [jsf-impl-2.1.3-b02-jbossorg-2.jar:2.1.3-SNAPSHOT]
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101) [jsf-impl-2.1.3-b02-jbossorg-2.jar:2.1.3-SNAPSHOT]
at com.sun.faces.lifecycle.RestoreViewPhase.doPhase(RestoreViewPhase.java:116) [jsf-impl-2.1.3-b02-jbossorg-2.jar:2.1.3-SNAPSHOT]
at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118) [jsf-impl-2.1.3-b02-jbossorg-2.jar:2.1.3-SNAPSHOT]
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:593) [jboss-jsf-api_2.1_spec-2.0.0.Beta1.jar:2.0.0.Beta1]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:329) [jbossweb-7.0.1.Final.jar:7.0.2.Final]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248) [jbossweb-7.0.1.Final.jar:7.0.2.Final]
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:275) [jbossweb-7.0.1.Final.jar:7.0.2.Final]
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161) [jbossweb-7.0.1.Final.jar:7.0.2.Final]
at org.jboss.as.web.security.SecurityContextAssociationValve.invoke(SecurityContextAssociationValve.java:139) [jboss-as-web-7.0.2.Final.jar:7.0.2.Final]
at org.jboss.as.web.NamingValve.invoke(NamingValve.java:57) [jboss-as-web-7.0.2.Final.jar:7.0.2.Final]
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:154) [jbossweb-7.0.1.Final.jar:7.0.2.Final]
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) [jbossweb-7.0.1.Final.jar:7.0.2.Final]
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) [jbossweb-7.0.1.Final.jar:7.0.2.Final]
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:362) [jbossweb-7.0.1.Final.jar:7.0.2.Final]
at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:897) [jbossweb-7.0.1.Final.jar:7.0.2.Final]
at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:626) [jbossweb-7.0.1.Final.jar:7.0.2.Final]
at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:2054) [jbossweb-7.0.1.Final.jar:7.0.2.Final]
at java.lang.Thread.run(Unknown Source) [:1.7.0_21]

jdk のバージョンを 1.6 から 1.7 に変更しましたが、問題が解決しません。コンパイラの問題ではないと思います よろしく

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1 に答える 1

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XHTML では、JavaScript を CDATA でラップしない限り、アンパサンドは演算子ではなく文字として解析されます。

<![CDATA[
// your code
]]>

あなたが提供したエラーは、これは、またはのThe entity name must immediately follow the '&' in the entity reference.ようなエンティティ名が必要であることを示しています。エンティティ名の代わりに別のアンパサンドが検出されたため、エラーが発生しました。quotamp&quot;&amp;

詳細については、この回答を参照してください:スクリプト タグ内で CDATA セクションが必要になるのはいつですか?

于 2013-05-07T23:53:39.233 に答える