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
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.
I'm using Apache Tomcat/8.0.37
and oracle-java8-jdk-amd64
.
Below is the list of WEB-INF\lib
used libraries:
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
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
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>
However, I still have problem with finding com.sun.el.ExpressionFactoryImpl
remove
<dependency>
<groupId>javax.el</groupId>
<artifactId>javax.el-api</artifactId>
<version>3.0.0</version>
<scope>provided</scope>
</dependency>
For this jar have javax.el.ExpressionFactory
and tomcat8-el-api.jar
have the same one.
This will cause conflict
remove this
<dependency>
<groupId>javax.el</groupId>
<artifactId>javax.el-api</artifactId>
<version>3.0.0</version>
<scope>provided</scope>
</dependency>
and try with
<dependency>
<groupId>org.glassfish.web</groupId>
<artifactId>el-impl</artifactId>
<version>2.2</version>
</dependency>
I tried all the already answered solutions but none of them work for me on Spring Boot 2.1.3
embedded tomcat
. Below dependencies worked for me
<dependency>
<groupId>org.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-jasper</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.glassfish</groupId>
<artifactId>javax.el</artifactId>
</dependency>
Same problem I had one legacy installation on Tomcat7+JDK1.8 box where a new webapp was deployed. It was meant to be run on Tomcat9+JDK10 but this box was an exception.
java.lang.NoClassDefFoundError: javax/el/ELManager
org.apache.jasper.JasperException: javax.el.ELException: Provider com.sun.el.ExpressionFactoryImpl not found
I could not update T7+JDK1.8 so instead made this brute-force change.
rename: tomcat/lib/el-api.jar to el-api.jar_original2.x
add: tomcat/lib/el-api.jar version 3.x
add: tomcat/lib/el-impl-2.2.1-b05.jar version 2.2.x
https://mvnrepository.com/artifact/javax.el/javax.el-api/3.0.1-b06
https://mvnrepository.com/artifact/org.glassfish.web/el-impl/2.2.1-b05
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