javax.el.ELException:未找到提供程序 com.sun.el.ExpressionFactoryImpl [英] javax.el.ELException: Provider com.sun.el.ExpressionFactoryImpl not found
本文介绍了javax.el.ELException:未找到提供程序 com.sun.el.ExpressionFactoryImpl的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
尽管有很多问题解决方案，但我仍然坚持使用 ELException 解决问题:
Despite a lot of problem solutions I have stuck on the problem with ELException:
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'tilesConfigurer' defined in ServletContext resource [/WEB-INF/tiles-context.xml]: Invocation of init method failed; nested exception is javax.el.ELException: Provider com.sun.el.ExpressionFactoryImpl not found
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1553)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:475)
at org.springframework.beans.factory.support.AbstractBeanFactorygetObject(AbstractBeanFactory.java:304)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:300)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:195)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:703)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:760)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:482)
at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:403)
at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:306)
at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:106)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4853)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5314)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:725)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:701)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:717)
at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:940)
at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:1816)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: javax.el.ELException: Provider com.sun.el.ExpressionFactoryImpl not found
at javax.el.FactoryFinder.newInstance(FactoryFinder.java:101)
at javax.el.FactoryFinder.find(FactoryFinder.java:197)
at javax.el.ExpressionFactory.newInstance(ExpressionFactory.java:197)
at javax.el.ExpressionFactory.newInstance(ExpressionFactory.java:168)
at org.apache.jasper.runtime.JspApplicationContextImpl.<init>(JspApplicationContextImpl.java:46)
at org.apache.jasper.runtime.JspApplicationContextImpl.getInstance(JspApplicationContextImpl.java:76)
at org.apache.jasper.runtime.JspFactoryImpl.getJspApplicationContext(JspFactoryImpl.java:217)
at org.springframework.web.servlet.view.tiles3.TilesConfigurer$TilesElActivator.createEvaluator(TilesConfigurer.java:407)
at org.springframework.web.servlet.view.tiles3.TilesConfigurer$SpringTilesContainerFactory.createAttributeEvaluatorFactory(TilesConfigurer.java:374)
at org.apache.tiles.factory.BasicTilesContainerFactory.createContainer(BasicTilesContainerFactory.java:88)
at org.springframework.web.servlet.view.tiles3.TilesConfigurer$SpringTilesContainerFactory.createContainer(TilesConfigurer.java:296)
at org.apache.tiles.startup.AbstractTilesInitializer.createContainer(AbstractTilesInitializer.java:114)
at org.apache.tiles.startup.AbstractTilesInitializer.initialize(AbstractTilesInitializer.java:64)
at org.springframework.web.servlet.view.tiles3.TilesConfigurer.afterPropertiesSet(TilesConfigurer.java:270)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1612)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1549)
... 25 more
Caused by: java.lang.ClassNotFoundException: com.sun.el.ExpressionFactoryImpl
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1333)
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1167)
at javax.el.FactoryFinder.newInstance(FactoryFinder.java:87)
... 40 more
我确定这不是由于用户对 Web 应用程序代码的影响，因为具有相同应用程序的另一台服务器运行良好，并且两个应用程序的代码相同.两台服务器的环境看起来也一样.
I'm sure that it isn't due to any user impact in web application code since another server with the same application is running well and both app's code is identical. Both servers` environments looks identical as well.
我正在使用 Apache Tomcat/8.0.37 和 oracle-java8-jdk-amd64.
以下是WEB-INF\lib使用的库列表:
activation-1.1.jar hibernate-c3p0-4.2.7.Final.jar lucene-analyzers-3.6.2.jar slf4j-simple-1.7.7.jar tiles-autotag-core-runtime-1.1.0.jar
amqp-client-3.3.4.jar hibernate-commons-annotations-4.0.2.Final.jar lucene-core-3.6.2.jar snakeyaml-1.11.jar tiles-compat-3.0.3.jar
antlr-2.7.7.jar hibernate-core-4.2.7.Final.jar lucene-facet-3.6.2.jar solr-analysis-extras-3.6.2.jar tiles-core-3.0.3.jar
aopalliance-1.0.jar hibernate-entitymanager-4.2.7.Final.jar lucene-grouping-3.6.2.jar solr-core-3.6.2.jar tiles-el-3.0.3.jar
asm-4.2.jar hibernate-jpa-2.0-api-1.0.1.Final.jar lucene-highlighter-3.6.2.jar solr-solrj-3.6.2.jar tiles-extras-3.0.3.jar
avro-1.7.5.jar hibernate-search-4.4.0.Final.jar lucene-kuromoji-3.6.2.jar spring-amqp-1.3.5.RELEASE.jar tiles-freemarker-3.0.3.jar
c3p0-0.9.1.1.jar hibernate-search-analyzers-4.4.0.Final.jar lucene-memory-3.6.2.jar spring-aop-4.0.3.RELEASE.jar tiles-jsp-3.0.3.jar
c3p0-0.9.2.1.jar hibernate-search-engine-4.4.0.Final.jar lucene-misc-3.6.2.jar spring-beans-4.0.3.RELEASE.jar tiles-mvel-3.0.3.jar
cas-client-core-3.1.12.jar hibernate-search-orm-4.4.0.Final.jar lucene-phonetic-3.6.2.jar spring-context-4.0.3.RELEASE.jar tiles-ognl-3.0.3.jar
cassandra-driver-core-2.1.2.jar hibernate-validator-5.1.0.Final.jar lucene-smartcn-3.6.2.jar spring-context-support-4.0.3.RELEASE.jar tiles-request-api-1.0.3.jar
cassandra-driver-dse-2.1.2.jar httpclient-4.3.3.jar lucene-spatial-3.6.2.jar spring-core-4.0.3.RELEASE.jar tiles-request-freemarker-1.0.3.jar
cglib-3.1.jar httpcore-4.3.2.jar lucene-spellchecker-3.6.2.jar spring-cql-1.1.0.RELEASE.jar tiles-request-jsp-1.0.3.jar
classmate-1.0.0.jar jackson-core-asl-1.9.2.jar lucene-stempel-3.6.2.jar spring-data-cassandra-1.1.0.RELEASE.jar tiles-request-mustache-1.0.3.jar
commons-beanutils-1.9.2.jar jackson-mapper-asl-1.9.12.jar lz4-1.2.0.jar spring-data-commons-1.9.0.RELEASE.jar tiles-request-servlet-1.0.3.jar
commons-codec-1.6.jar javaee-api-7.0.jar mail-1.4.7.jar spring-expression-4.0.3.RELEASE.jar tiles-request-servlet-wildcard-1.0.3.jar
commons-collections-3.2.1.jar javassist-3.18.1-GA.jar mchange-commons-java-0.2.3.4.jar spring-jdbc-4.0.3.RELEASE.jar tiles-request-velocity-1.0.3.jar
commons-compress-1.4.1.jar javassist-3.7.ga.jar metrics-core-3.0.2.jar spring-jms-4.0.3.RELEASE.jar tiles-servlet-3.0.3.jar
commons-dbcp-1.4.jar javax.mail-1.5.0.jar mvel2-2.0.11.jar spring-orm-4.0.3.RELEASE.jar tiles-template-3.0.3.jar
commons-digester-2.0.jar jawr-3.3.3.jar netty-3.9.0.Final.jar spring-rabbit-1.3.5.RELEASE.jar tiles-velocity-3.0.3.jar
commons-io-2.4.jar jboss-logging-3.1.3.GA.jar ognl-2.7.3.jar spring-retry-1.1.0.RELEASE.jar validation-api-1.1.0.Final.jar
commons-lang-2.6.jar jboss-transaction-api_1.1_spec-1.0.1.Final.jar oro-2.0.8.jar spring-security-cas-3.1.4.RELEASE.jar velocity-1.6.2.jar
commons-lang3-3.3.2.jar jcl-over-slf4j-1.7.12.jar paranamer-2.3.jar spring-security-config-3.1.4.RELEASE.jar velocity-tools-2.0.jar
commons-logging-1.1.3.jar jna-4.0.0.jar poi-3.10-FINAL.jar spring-security-core-3.1.4.RELEASE.jar waffle-jna-1.7.jar
commons-pool-1.5.4.jar jna-platform-4.1.0.jar poi-ooxml-3.10-FINAL.jar spring-security-web-3.1.4.RELEASE.jar
compiler-0.8.4.jar jstl-1.2.jar poi-ooxml-schemas-3.10-FINAL.jar spring-tx-4.0.3.RELEASE.jar xmlbeans-2.3.0.jar
dom4j-1.6.1.jar liquibase-core-3.1.1.jar postgresql-9.4-1200-jdbc41.jar spring-web-4.0.3.RELEASE.jar
ehcache-2.8.3.jar log4j-over-slf4j-1.7.7.jar quartz-2.2.1.jar spring-webmvc-4.0.3.RELEASE.jar
freemarker-2.3.20.jar logback-classic-1.1.3.jar stax-api-1.0.1.jar
guava-16.0.jar logback-core-1.1.3.jar slf4j-api-1.7.5.jar tiles-api-3.0.3.jar
以下是Tomcat8使用的/usr/share/java库列表:
Below is the list of /usr/share/java libraries which are used by Tomcat8:
commons-dbcp-1.4.jar jsp-api-2.3.jar tomcat8-catalina.jar tomcat8-i18n-fr-8.0.37.jar tomcat8-jni.jar tomcat8-util-scan-8.0.37.jar
commons-dbcp.jar libintl.jar tomcat8-catalina-storeconfig-8.0.37.jar tomcat8-i18n-fr.jar tomcat8-jsp-api-8.0.37.jar tomcat8-util-scan.jar
commons-pool-1.6.jar tomcat8-annotations-api-8.0.37.jar tomcat8-catalina-storeconfig.jar tomcat8-i18n-ja-8.0.37.jar tomcat8-jsp-api.jar tomcat8-websocket-8.0.37.jar
commons-pool.jar tomcat8-annotations-api.jar tomcat8-coyote-8.0.37.jar tomcat8-i18n-ja.jar tomcat8-juli-8.0.37.jar tomcat8-websocket-api-8.0.37.jar
ecj.jar tomcat8-api-8.0.37.jar tomcat8-coyote.jar tomcat8-jasper-8.0.37.jar tomcat8-juli.jar tomcat8-websocket-api.jar
eclipse-ecj-3.11.0.jar tomcat8-api.jar tomcat8-dbcp-8.0.37.jar tomcat8-jasper-el-8.0.37.jar tomcat8-servlet-api-8.0.37.jar tomcat8-websocket.jar
eclipse-ecj.jar tomcat8-catalina-8.0.37.jar tomcat8-dbcp.jar tomcat8-jasper-el.jar tomcat8-servlet-api.jar
el-api-3.0.jar tomcat8-catalina-ant-8.0.37.jar tomcat8-el-api-8.0.37.jar tomcat8-jasper.jar tomcat8-tribes-8.0.37.jar
el-impl-2.2.jar tomcat8-catalina-ant.jar tomcat8-el-api.jar tomcat8-jdbc-8.0.37.jar tomcat8-tribes.jar
java_defaults.mk tomcat8-catalina-ha-8.0.37.jar tomcat8-i18n-es-8.0.37.jar tomcat8-jdbc.jar tomcat8-util-8.0.37.jar
javaee-api-7.0.jar tomcat8-catalina-ha.jar tomcat8-i18n-es.jar tomcat8-jni-8.0.37.jar tomcat8-util.jar
由于在/usr/share/java 中找不到这些库的错误，我已将 el-api、el-impl 和 jsp-api 添加到/usr/share/java.
I`ve add el-api, el-impl and jsp-api to /usr/share/java due to errors that these libraries couldn't be found in /usr/share/java.
POM:
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>org.company.test</groupId>
<artifactId>app</artifactId>
<version>0.1.0-SNAPSHOT</version>
<packaging>war</packaging>
<url>http://maven.apache.org</url>
<prerequisites>
<maven>3.0.0</maven>
</prerequisites>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<springframework.version>4.0.3.RELEASE</springframework.version>
</properties>
<dependencies>
<dependency>
<groupId>org.apache.tomcat</groupId>
<artifactId>tomcat-servlet-api</artifactId>
<version>8.0.5</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>jsp-api</artifactId>
<version>2.2</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.el</groupId>
<artifactId>javax.el-api</artifactId>
<version>3.0.0</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpclient</artifactId>
<version>4.3.3</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-validator</artifactId>
<version>5.1.0.Final</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-entitymanager</artifactId>
<version>4.2.7.Final</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>4.2.7.Final</version>
</dependency>
<dependency>
<groupId>org.apache.tiles</groupId>
<artifactId>tiles-extras</artifactId>
<version>3.0.3</version>
<exclusions>
<exclusion>
<artifactId>slf4j-api</artifactId>
<groupId>org.slf4j</groupId>
</exclusion>
<exclusion>
<artifactId>guava</artifactId>
<groupId>com.google.guava</groupId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>javax</groupId>
<artifactId>javaee-api</artifactId>
<version>7.0</version>
</dependency>
<dependency>
<groupId>net.jawr</groupId>
<artifactId>jawr</artifactId>
<version>3.3.3</version>
</dependency>
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-cas</artifactId>
<version>3.1.4.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-config</artifactId>
<version>3.1.4.RELEASE</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${springframework.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi</artifactId>
<version>3.10-FINAL</version>
</dependency>
<dependency>
<groupId>commons-dbcp</groupId>
<artifactId>commons-dbcp</artifactId>
<version>1.4</version>
</dependency>
<dependency>
<groupId>org.apache.tomcat</groupId>
<artifactId>tomcat-jdbc</artifactId>
<version>8.0.5</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.hsqldb</groupId>
<artifactId>hsqldb</artifactId>
<version>2.3.2</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-ooxml</artifactId>
<version>3.10-FINAL</version>
</dependency>
<dependency>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
<version>16.0</version>
</dependency>
<dependency>
<groupId>org.cassandraunit</groupId>
<artifactId>cassandra-unit-spring</artifactId>
<version>2.0.2.1</version>
<scope>test</scope>
<exclusions>
<exclusion>
<artifactId>slf4j-log4j12</artifactId>
<groupId>org.slf4j</groupId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.apache.cassandra</groupId>
<artifactId>cassandra-all</artifactId>
<version>2.1.0</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.postgresql</groupId>
<artifactId>postgresql</artifactId>
<version>9.4-1200-jdbc41</version>
</dependency>
<dependency>
<groupId>javax.mail</groupId>
<artifactId>mail</artifactId>
<version>1.4.7</version>
</dependency>
</dependencies>
<build>
<resources>
<resource>
<directory>${project.basedir}/src/main/resources</directory>
<filtering>true</filtering>
</resource>
<resource>
<directory>${project.basedir}/documentation/package/resources</directory>
</resource>
</resources>
<testResources>
<testResource>
<directory>${project.basedir}/src/main/webapp/WEB-INF</directory>
</testResource>
<testResource>
<directory>${project.basedir}/src/test/resources</directory>
</testResource>
<testResource>
<directory>${project.basedir}/documentation/conf</directory>
</testResource>
</testResources>
<testOutputDirectory>target/test-classes</testOutputDirectory>
<testSourceDirectory>${project.basedir}/src/test/java</testSourceDirectory>
<plugins>
<plugin>
<artifactId>maven-clean-plugin</artifactId>
<version>2.5</version>
</plugin>
<plugin>
<artifactId>maven-deploy-plugin</artifactId>
<version>2.7</version>
</plugin>
<plugin>
<artifactId>maven-install-plugin</artifactId>
<version>2.5</version>
</plugin>
<plugin>
<artifactId>maven-site-plugin</artifactId>
<version>3.3</version>
</plugin>
<plugin>
<artifactId>maven-resources-plugin</artifactId>
<version>2.6</version>
<executions>
<execution>
<id>prod-resources</id>
<phase>prepare-package</phase>
<goals>
<goal>copy-resources</goal>
</goals>
<configuration>
<outputDirectory>${project.build.outputDirectory}</outputDirectory>
<overwrite>true</overwrite>
<resources>
<resource>
<directory>src/main/resources</directory>
<excludes>
<exclude>**/*.jks</exclude>
<exclude>**/*.xlsx</exclude>
</excludes>
<filtering>true</filtering>
</resource>
<resource>
<directory>documentation/package/resources</directory>
<filtering>true</filtering>
</resource>
</resources>
<filters>
<filter>${project.basedir}/src/main/resources/application.properties</filter>
</filters>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.1</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.16</version>
<configuration>
<argLine>-Duser.timezone=UTC -Duser.language=en -Duser.region=US</argLine>
<threadCount>1</threadCount>
<includes>
<include>**/*Tests.java</include>
</includes>
<excludes>
<exclude>**/*IntegrationalTests.java</exclude>
</excludes>
<systemPropertyVariables>
<user.timezone>Etc/UTC</user.timezone>
</systemPropertyVariables>
<!-- <forkCount>3</forkCount> <reuseForks>true</reuseForks> -->
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
<version>2.4</version>
<configuration>
<webResources>
<resource>
<directory>src/main/jsp</directory>
<targetPath>WEB-INF/jsp</targetPath>
</resource>
<resource>
<directory>src/main/tags</directory>
<targetPath>WEB-INF/tags</targetPath>
</resource>
</webResources>
</configuration>
</plugin>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>cobertura-maven-plugin</artifactId>
<version>2.6</version>
<dependencies>
<dependency>
<groupId>org.ow2.asm</groupId>
<artifactId>asm</artifactId>
<version>5.0.3</version>
</dependency>
</dependencies>
<configuration>
<formats>
<format>html</format>
<format>xml</format>
</formats>
<check/>
</configuration>
</plugin>
</plugins>
</build>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context-support</artifactId>
<version>${springframework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
<version>${springframework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aop</artifactId>
<version>${springframework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>${springframework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>${springframework.version}</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>1.7.5</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${springframework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-expression</artifactId>
<version>${springframework.version}</version>
</dependency>
</dependencies>
</dependencyManagement>
<reporting>
<plugins>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>cobertura-maven-plugin</artifactId>
<version>2.6</version>
<configuration>
<formats>
<format>html</format>
<format>xml</format>
</formats>
<check/>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-report-plugin</artifactId>
<version>2.16</version>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.16</version>
</plugin>
</plugins>
</reporting>
</project>
但是，我仍然无法找到com.sun.el.ExpressionFactoryImpl
推荐答案
remove
<dependency>
<groupId>javax.el</groupId>
<artifactId>javax.el-api</artifactId>
<version>3.0.0</version>
<scope>provided</scope>
</dependency>
对于这个 jar 有 javax.el.ExpressionFactory
For this jar have javax.el.ExpressionFactory
和tomcat8-el-api.jar 有相同的.
这会引起冲突
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