【问题标题】:java.lang.NoClassDefFoundError: ognl/PropertyAccessorjava.lang.NoClassDefFoundError:ognl/PropertyAccessor
【发布时间】:2016-01-25 10:33:52
【问题描述】:

我只是尝试在 Eclipse IDE 上编译一个简单的 hello java 程序。这里是堆栈跟踪。我为 struts 2 添加了所有必需的库。

java.lang.NoClassDefFoundError: ognl/PropertyAccessor
    at com.opensymphony.xwork2.config.impl.DefaultConfiguration.createBootstrapContainer(DefaultConfiguration.java:342)
    at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:235)
    at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:67)
    at org.apache.struts2.dispatcher.Dispatcher.getContainer(Dispatcher.java:967)
    at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:435)
    at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:479)
    at org.apache.struts2.dispatcher.ng.InitOperations.initDispatcher(InitOperations.java:74)
    at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.init(StrutsPrepareAndExecuteFilter.java:57)
    at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:275)
    at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:397)
    at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:108)
    at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:3800)
    at org.apache.catalina.core.StandardContext.start(StandardContext.java:4450)
    at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
    at org.apache.catalina.core.StandardHost.start(StandardHost.java:722)
    at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
    at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
    at org.apache.catalina.core.StandardService.start(StandardService.java:516)
    at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
    at org.apache.catalina.startup.Catalina.start(Catalina.java:583)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
    at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)

【问题讨论】:

  • 您好,欢迎您!如果您添加源代码或您尝试编译的 sn-p,那就太好了。
  • 我为 struts 2 添加了所有必需的库。 - 显然没有。
  • 您要么完全缺少依赖项,要么版本错误。

标签: struts2 ognl


【解决方案1】:
<dependency>
    <groupId>ognl</groupId>
    <artifactId>ognl</artifactId>
    <version>3.1.12</version> 
</dependency>

在 pom 文件中添加这个。在 spring boot 中使用 thymeleaf starter 时。

【讨论】:

    【解决方案2】:

    您缺少 Apache Commons OGNL 框架库。您可以从Apache Commons OGNL page下载。

    依赖树:

    org.apache.commons:commons-ognl:jar:4.0-SNAPSHOT Information
        junit:junit:jar:4.10 (test) Information
            org.hamcrest:hamcrest-core:jar:1.1 (test) Information
        org.easymock:easymock:jar:2.3 (test) Information
        org.javassist:javassist:jar:3.16.1-GA (compile) Information
        com.carrotsearch:junit-benchmarks:jar:jdk15:0.3.0 (test) Information
        ognl:ognl:jar:3.0.2 (test) Information
            javassist:javassist:jar:3.11.0.GA (test) Information
        org.slf4j:slf4j-api:jar:1.6.1 (test) Information
        com.h2database:h2:jar:1.3.158 (test) Information
    

    【讨论】:

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