Java 在JSP中导入类型会导致;只能导入类型。com.sitename.ClassName解析为一个包;
我正在使用maven通过将包安装到Java 在JSP中导入类型会导致;只能导入类型。com.sitename.ClassName解析为一个包;,java,jsp,maven,aem,Java,Jsp,Maven,Aem,我正在使用maven通过将包安装到/apps/myapp/install来管理依赖项和构建。maven构建运行良好,可以安装。我已在/system/console 我已在jsp中使用以下标记设置了一个组件: <%@page import="com.mysite.package.Constants" %> <html> <head></head> <body> <p>hi</p> </b
/apps/myapp/install
来管理依赖项和构建。maven构建运行良好,可以安装。我已在/system/console
我已在jsp中使用以下标记设置了一个组件:
<%@page import="com.mysite.package.Constants" %>
<html>
<head></head>
<body>
<p>hi</p>
</body>
</html>
我已将以下内容添加到我的pom.xml中,以排除无法解析的包并导出我的包:
<plugin>
<groupId>org.apache.felix</groupId>
<artifactId>maven-bundle-plugin</artifactId>
<version>2.2.0</version>
<extensions>true</extensions>
<configuration>
<instructions>
<Bundle-SymbolicName>com.mysite.package</Bundle-SymbolicName>
<Export-Package>com.mysite.package.*</Export-Package>
<Import-Package>!oracle.xml.*,!org.jaxen.*,!org.apache.felix.ipojo.*,!org.ow2.chameleon.syndication.*,!sun.io.*,!com.sun.image.codec.*,!bsh,!nu.xom,!org.apache.commons.beanutils.*,!org.apache.commons.configuration.*,!com.ibm.uvm.tools.*,!com.sun.jdmk.comm.*,!javax.jmdns.*,!javax.jms.*,*</Import-Package>
<Embed-Dependency>*;scope=compile|runtime</Embed-Dependency>
</instructions>
</configuration>
</plugin>
该问题是由于缺少依赖项造成的,并通过向项目的父pom添加以下内容来解决:
<dependencyManagement>
<dependencies>
...
<dependency>
<groupId>com.adobe.granite.bundles</groupId>
<artifactId>json</artifactId>
<version>20090211_1</version>
<scope>provided</scope>
</dependency>
</dependencies>
</dependencyManagement>
...
<dependencies>
...
<dependency>
<groupId>com.adobe.granite.bundles</groupId>
<artifactId>json</artifactId>
<scope>provided</scope>
</dependency>
</dependencies>
...
com.adobe.granite.bundles
json
20090211_1
假如
...
...
com.adobe.granite.bundles
json
假如
您是否尝试过com.mysite.package.Constants.*
?错误很明显,com.mysite.package.Constants解析为包“而不是类。是的,这将防止出现错误,但不允许正确使用。问题是com.mysite.package.Constants是一个类,所以我认为错误可能更复杂。我将用代码更新问题。发布整个堆栈跟踪。该错误消息没有上下文。您的包是活动的还是刚刚注册的。如果它只是注册的,您将无法访问这些类。在/system/console
中,它在Status列下表示它处于活动状态。我还将artifactId指定为我们正在上载的jcr文件夹(应用程序等)的packaging-type内容包的pom.xml中的依赖项和嵌入项
An error occurred at line: 6 in the generated java file
Only a type can be imported. com.mysite.package.Constants resolves to a package
at org.apache.sling.scripting.core.impl.DefaultSlingScript.call(DefaultSlingScript.java:388)
at org.apache.sling.scripting.core.impl.DefaultSlingScript.eval(DefaultSlingScript.java:171)
at org.apache.sling.scripting.core.impl.DefaultSlingScript.service(DefaultSlingScript.java:463)
at org.apache.sling.engine.impl.request.RequestData.service(RequestData.java:511)
at org.apache.sling.engine.impl.filter.SlingComponentFilterChain.render(SlingComponentFilterChain.java:45)
at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:64)
at com.day.cq.wcm.core.impl.WCMDeveloperModeFilter.doFilterWithErrorHandling(WCMDeveloperModeFilter.java:145)
at com.day.cq.wcm.core.impl.WCMDeveloperModeFilter.doFilter(WCMDeveloperModeFilter.java:113)
at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60)
at com.day.cq.wcm.core.impl.WCMDebugFilter.doFilterWithErrorHandling(WCMDebugFilter.java:182)
at com.day.cq.wcm.core.impl.WCMDebugFilter.doFilter(WCMDebugFilter.java:149)
at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60)
at com.day.cq.wcm.core.impl.WCMComponentFilter.doFilter(WCMComponentFilter.java:252)
at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60)
at com.day.cq.personalization.impl.TargetComponentFilter.doFilter(TargetComponentFilter.java:96)
at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60)
at org.apache.sling.engine.impl.SlingRequestProcessorImpl.processComponent(SlingRequestProcessorImpl.java:284)
at org.apache.sling.engine.impl.SlingRequestProcessorImpl.dispatchRequest(SlingRequestProcessorImpl.java:324)
at org.apache.sling.engine.impl.request.SlingRequestDispatcher.dispatch(SlingRequestDispatcher.java:216)
at org.apache.sling.engine.impl.request.SlingRequestDispatcher.include(SlingRequestDispatcher.java:103)
at com.day.cq.wcm.core.impl.WCMComponentFilter$ForwardRequestDispatcher.include(WCMComponentFilter.java:431)
at org.apache.jsp.libs.foundation.components.primary.cq.Page.Page_jsp._jspService(Page_jsp.java:106)
at org.apache.sling.scripting.jsp.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at org.apache.sling.scripting.jsp.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:502)
at org.apache.sling.scripting.jsp.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:449)
at org.apache.sling.scripting.jsp.JspScriptEngineFactory.callJsp(JspScriptEngineFactory.java:265)
at org.apache.sling.scripting.jsp.JspScriptEngineFactory.access$100(JspScriptEngineFactory.java:87)
at org.apache.sling.scripting.jsp.JspScriptEngineFactory$JspScriptEngine.eval(JspScriptEngineFactory.java:465)
at org.apache.sling.scripting.core.impl.DefaultSlingScript.call(DefaultSlingScript.java:361)
at org.apache.sling.scripting.core.impl.DefaultSlingScript.eval(DefaultSlingScript.java:171)
at org.apache.sling.scripting.core.impl.DefaultSlingScript.service(DefaultSlingScript.java:463)
at org.apache.sling.engine.impl.request.RequestData.service(RequestData.java:511)
at org.apache.sling.engine.impl.filter.SlingComponentFilterChain.render(SlingComponentFilterChain.java:45)
at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:64)
at com.day.cq.wcm.core.impl.WCMDebugFilter.doFilter(WCMDebugFilter.java:146)
at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60)
at com.day.cq.wcm.core.impl.WCMComponentFilter.filterRootInclude(WCMComponentFilter.java:357)
at com.day.cq.wcm.core.impl.WCMComponentFilter.doFilter(WCMComponentFilter.java:166)
at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60)
at com.day.cq.personalization.impl.TargetComponentFilter.doFilter(TargetComponentFilter.java:96)
at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60)
at org.apache.sling.engine.impl.SlingRequestProcessorImpl.processComponent(SlingRequestProcessorImpl.java:284)
at org.apache.sling.engine.impl.filter.RequestSlingFilterChain.render(RequestSlingFilterChain.java:49)
at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:64)
at com.adobe.granite.requests.logging.impl.RequestLoggerImpl.doFilter(RequestLoggerImpl.java:137)
at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60)
at com.adobe.cq.social.commons.security.SaferSlingPostServlet.doFilter(SaferSlingPostServlet.java:121)
at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60)
at com.day.cq.wcm.core.impl.AuthoringUIModeServiceImpl.doFilter(AuthoringUIModeServiceImpl.java:349)
at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60)
at com.day.cq.wcm.core.impl.warp.TimeWarpFilter.doFilter(TimeWarpFilter.java:106)
at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60)
at com.day.cq.wcm.mobile.core.impl.redirect.RedirectFilter.doFilter(RedirectFilter.java:295)
at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60)
at org.apache.sling.engine.impl.debug.RequestProgressTrackerLogFilter.doFilter(RequestProgressTrackerLogFilter.java:64)
at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60)
at com.adobe.cq.social.commons.cors.CORSAuthenticationFilter.doFilter(CORSAuthenticationFilter.java:91)
at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60)
at com.day.cq.wcm.foundation.forms.impl.FormsHandlingServlet.doFilter(FormsHandlingServlet.java:251)
at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60)
at com.day.cq.theme.impl.ThemeResolverFilter.doFilter(ThemeResolverFilter.java:76)
at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60)
at com.adobe.granite.optout.impl.OptOutFilter.doFilter(OptOutFilter.java:74)
at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60)
at com.day.cq.wcm.core.impl.WCMRequestFilter.doFilter(WCMRequestFilter.java:90)
at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60)
at com.adobe.cq.history.impl.HistoryRequestFilter.doFilter(HistoryRequestFilter.java:107)
at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60)
at com.day.cq.wcm.designimporter.CanvasPageDeleteRequestFilter.doFilter(CanvasPageDeleteRequestFilter.java:88)
at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60)
at org.apache.sling.rewriter.impl.RewriterFilter.doFilter(RewriterFilter.java:83)
at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60)
at com.adobe.granite.httpcache.impl.InnerCacheFilter.doFilter(InnerCacheFilter.java:77)
at com.adobe.granite.httpcache.impl.InnerCacheFilter.doFilter(InnerCacheFilter.java:56)
at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60)
at org.apache.sling.i18n.impl.I18NFilter.doFilter(I18NFilter.java:128)
at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60)
at com.adobe.cq.dam.s7imaging.impl.auth.MemoryTokenAuthHandler.doFilter(MemoryTokenAuthHandler.java:156)
at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60)
at org.apache.sling.bgservlets.impl.BackgroundServletStarterFilter.doFilter(BackgroundServletStarterFilter.java:135)
at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60)
at com.adobe.granite.resourceresolverhelper.impl.ResourceResolverHelperImpl.doFilter(ResourceResolverHelperImpl.java:81)
at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60)
at org.apache.sling.engine.impl.SlingRequestProcessorImpl.doProcessRequest(SlingRequestProcessorImpl.java:153)
at org.apache.sling.engine.impl.SlingMainServlet.service(SlingMainServlet.java:205)
at org.apache.felix.http.base.internal.handler.ServletHandler.doHandle(ServletHandler.java:339)
at org.apache.felix.http.base.internal.handler.ServletHandler.handle(ServletHandler.java:300)
at org.apache.felix.http.base.internal.dispatch.ServletPipeline.handle(ServletPipeline.java:93)
at org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter(InvocationFilterChain.java:50)
at org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFilterChain.java:31)
at org.apache.sling.i18n.impl.I18NFilter.doFilter(I18NFilter.java:128)
at org.apache.felix.http.base.internal.handler.FilterHandler.doHandle(FilterHandler.java:108)
at org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:80)
at org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter(InvocationFilterChain.java:46)
at org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFilterChain.java:31)
at org.apache.sling.security.impl.ReferrerFilter.doFilter(ReferrerFilter.java:290)
at org.apache.felix.http.base.internal.handler.FilterHandler.doHandle(FilterHandler.java:108)
at org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:80)
at org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter(InvocationFilterChain.java:46)
at org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFilterChain.java:31)
at com.adobe.granite.license.impl.LicenseCheckFilter.doFilter(LicenseCheckFilter.java:298)
at org.apache.felix.http.base.internal.handler.FilterHandler.doHandle(FilterHandler.java:108)
at org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:80)
at org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter(InvocationFilterChain.java:46)
at org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFilterChain.java:31)
at org.apache.felix.http.sslfilter.internal.SslFilter.doFilter(SslFilter.java:55)
at org.apache.felix.http.base.internal.handler.FilterHandler.doHandle(FilterHandler.java:108)
at org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:80)
at org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter(InvocationFilterChain.java:46)
at org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFilterChain.java:31)
at org.apache.sling.featureflags.impl.FeatureManager.doFilter(FeatureManager.java:115)
at org.apache.felix.http.base.internal.handler.FilterHandler.doHandle(FilterHandler.java:108)
at org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:80)
at org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter(InvocationFilterChain.java:46)
at org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFilterChain.java:31)
at org.apache.sling.engine.impl.log.RequestLoggerFilter.doFilter(RequestLoggerFilter.java:75)
at org.apache.felix.http.base.internal.handler.FilterHandler.doHandle(FilterHandler.java:108)
at org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:80)
at org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter(InvocationFilterChain.java:46)
at org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFilterChain.java:31)
at org.apache.felix.http.base.internal.dispatch.FilterPipeline.dispatch(FilterPipeline.java:76)
at org.apache.felix.http.base.internal.dispatch.Dispatcher.dispatch(Dispatcher.java:49)
at org.apache.felix.http.base.internal.DispatcherServlet.service(DispatcherServlet.java:67)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:684)
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:501)
at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:229)
at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1086)
at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:428)
at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1020)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:255)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
at org.eclipse.jetty.server.Server.handle(Server.java:370)
at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:494)
at org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:971)
at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:1033)
at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:644)
at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)
at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)
at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:667)
at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)
at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)
at java.lang.Thread.run(Thread.java:744)
Caused by: org.apache.sling.scripting.jsp.jasper.JasperException: Unable to compile class for JSP:
An error occurred at line: 6 in the generated java file
Only a type can be imported. com.mysite.package.Constants resolves to a package
at org.apache.sling.scripting.jsp.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:92)
at org.apache.sling.scripting.jsp.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:330)
at org.apache.sling.scripting.jsp.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:421)
at org.apache.sling.scripting.jsp.jasper.compiler.Compiler.compile(Compiler.java:312)
at org.apache.sling.scripting.jsp.jasper.compiler.Compiler.compile(Compiler.java:290)
at org.apache.sling.scripting.jsp.jasper.compiler.Compiler.compile(Compiler.java:277)
at org.apache.sling.scripting.jsp.jasper.JspCompilationContext.compile(JspCompilationContext.java:501)
at org.apache.sling.scripting.jsp.jasper.servlet.JspServletWrapper.prepareServlet(JspServletWrapper.java:427)
at org.apache.sling.scripting.jsp.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:486)
at org.apache.sling.scripting.jsp.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:449)
at org.apache.sling.scripting.jsp.JspScriptEngineFactory.callJsp(JspScriptEngineFactory.java:265)
at org.apache.sling.scripting.jsp.JspScriptEngineFactory.access$100(JspScriptEngineFactory.java:87)
at org.apache.sling.scripting.jsp.JspScriptEngineFactory$JspScriptEngine.eval(JspScriptEngineFactory.java:465)
at org.apache.sling.scripting.core.impl.DefaultSlingScript.call(DefaultSlingScript.java:361)
... 146 common frames omitted
<dependencyManagement>
<dependencies>
...
<dependency>
<groupId>com.adobe.granite.bundles</groupId>
<artifactId>json</artifactId>
<version>20090211_1</version>
<scope>provided</scope>
</dependency>
</dependencies>
</dependencyManagement>
...
<dependencies>
...
<dependency>
<groupId>com.adobe.granite.bundles</groupId>
<artifactId>json</artifactId>
<scope>provided</scope>
</dependency>
</dependencies>