【问题标题】:Grails 1.3.7 / Java 7 CompatibilityGrails 1.3.7 / Java 7 兼容性
【发布时间】:2013-01-08 18:25:13
【问题描述】:

有没有人幸运地使用 Java 7 运行 Grails 1.3.7 应用程序?我创建了一个全新的 Grails 1.3.7 应用程序并尝试在 Java 7 下运行它。我收到以下错误,但应用程序似乎运行正常。我们有一些 1.3.7 的应用程序我们不愿意升级到 Grails 2.x,所以任何想法都将不胜感激。

Unable to use direct char[] access of java.lang.String
java.lang.NoSuchFieldException: count
    at java.lang.Class.getDeclaredField(Class.java:1899)
    at org.codehaus.groovy.grails.web.util.StringCharArrayAccessor.<clinit>(StringCharArrayAccessor.java:53)
    at org.codehaus.groovy.grails.web.util.StreamCharBuffer.readAsString(StreamCharBuffer.java:531)
    at org.codehaus.groovy.grails.web.util.StreamCharBuffer.toString(StreamCharBuffer.java:552)
    at org.codehaus.groovy.grails.web.pages.FastStringWriter.getValue(FastStringWriter.java:59)
    at org.codehaus.groovy.grails.web.pages.FastStringWriter.toString(FastStringWriter.java:55)
    at org.codehaus.groovy.grails.web.pages.GroovyPageParser.startTag(GroovyPageParser.java:1119)
    at org.codehaus.groovy.grails.web.pages.GroovyPageParser.page(GroovyPageParser.java:801)
    at org.codehaus.groovy.grails.web.pages.GroovyPageParser.generateGsp(GroovyPageParser.java:380)
    at org.codehaus.groovy.grails.web.pages.GroovyPageParser.parse(GroovyPageParser.java:326)
    at org.codehaus.groovy.grails.web.pages.GroovyPagesTemplateEngine.buildPageMetaInfo(GroovyPagesTemplateEngine.java:584)
    at org.codehaus.groovy.grails.web.pages.GroovyPagesTemplateEngine.createTemplate(GroovyPagesTemplateEngine.java:493)
    at org.codehaus.groovy.grails.web.pages.GroovyPagesTemplateEngine.createTemplateWithResource(GroovyPagesTemplateEngine.java:473)
    at org.codehaus.groovy.grails.web.pages.GroovyPagesTemplateEngine.createTemplate(GroovyPagesTemplateEngine.java:246)
    at org.codehaus.groovy.grails.web.pages.GroovyPagesTemplateEngine.createTemplateForUri(GroovyPagesTemplateEngine.java:373)
    at org.codehaus.groovy.grails.web.pages.GroovyPagesTemplateEngine.createTemplateForUri(GroovyPagesTemplateEngine.java:345)
    at org.codehaus.groovy.grails.web.pages.GroovyPagesTemplateEngine.createTemplate(GroovyPagesTemplateEngine.java:262)
    at org.codehaus.groovy.grails.web.servlet.view.GroovyPageView.renderWithTemplateEngine(GroovyPageView.java:146)
    at org.codehaus.groovy.grails.web.servlet.view.GroovyPageView.renderMergedOutputModel(GroovyPageView.java:81)
    at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:250)
    at org.codehaus.groovy.grails.web.mapping.filter.UrlMappingsFilter.renderViewForUrlMappingInfo(UrlMappingsFilter.java:260)
    at org.codehaus.groovy.grails.web.mapping.filter.UrlMappingsFilter.doFilterInternal(UrlMappingsFilter.java:189)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.codehaus.groovy.grails.web.sitemesh.GrailsPageFilter.obtainContent(GrailsPageFilter.java:245)
    at org.codehaus.groovy.grails.web.sitemesh.GrailsPageFilter.doFilter(GrailsPageFilter.java:134)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.codehaus.groovy.grails.web.servlet.filter.GrailsReloadServletFilter.doFilterInternal(GrailsReloadServletFilter.java:104)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.codehaus.groovy.grails.web.servlet.mvc.GrailsWebRequestFilter.doFilterInternal(GrailsWebRequestFilter.java:69)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.codehaus.groovy.grails.web.filters.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:69)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
    at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:237)
    at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:167)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454)
    at java.lang.Thread.run(Thread.java:722)

【问题讨论】:

    标签: grails java


    【解决方案1】:

    设置JAVA_OPTS系统属性:
    Windows:SET JAVA_OPTS=-Dstringchararrayaccessor.disabled=true
    Unix:export JAVA_OPTS=-Dstringchararrayaccessor.disabled=true

    【讨论】:

    • 你的意思是设置环境变量吗?
    • 嘿,可能晚了,但我正在尝试运行 grails 仍然使用 nthe 1.3.7 和 java 7 的遗留代码。我尝试了系统属性选项,但它不起作用。仅供参考:使用 Mac 和 Intellij。
    【解决方案2】:

    这很烦人,但可以安全地忽略,并在 2.1.1 和 2.2 中修复 - 有关详细信息,请参阅 https://github.com/grails/grails-core/issues/2359

    【讨论】:

    【解决方案3】:

    根据我看到的in the source code,您可以将JVM 属性stringchararrayaccessor.disabled 设置为true

    【讨论】:

    • 这适用于 grails 1.3.6 和 java7。此类的意图似乎与性能相关,因此是否有明显影响还有待观察。
    • 如何设置这个属性?
    • 我试过的任何语法都不起作用,例如-Dstringchararrayaccessor.disabled=true。有什么想法吗?
    【解决方案4】:

    修复在启动 Collabnet Subversion Edge Server 4.x 时观察到相同问题的人们。

    猜测添加 JAVA_OPTS=-Dstringchararrayaccessor.disabled=true 的正确位置,不是 csvn 启动脚本,而是 tanukisoft wrapper conf。

    另外,编辑 $csvn_home/data/conf/csvn-wrapper.conf 并添加,

    wrapper.java.additional.x=-Dstringchararrayaccessor.disabled=true

    (其中 x 在序列中的下一个未使用)

    【讨论】:

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