java - Unsupported major.minor version 52.0 Error -

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this question has answer here:

i have codes compiled on jdk 1.8. created war file , deployed on tomcat8 in ubuntu server running jre 1.8. have error when opening main page:

java.lang.unsupportedclassversionerror: com/dash/io/web/bind/homectrl : unsupported major.minor version 52.0

$ java -versionjava version "1.8.0_45" java(tm) se runtime environment (build 1.8.0_45-b14) java hotspot(tm) 64-bit server vm (build 25.45-b02, mixed mode)  $ javac -version javac 1.8.0_45  $ echo $jre_home /usr/local/java/jdk1.8.0_45/jre  $ /usr/local/apache-tomcat-8.0.22/bin/catalina.sh version  using catalina_base:   /usr/local/apache-tomcat-8.0.22  using catalina_home:  /usr/local/apache-tomcat-8.0.22  using catalina_tmpdir: /usr/local/apache-tomcat-8.0.22/temp  using jre_home:        /usr/local/java/jdk1.8.0_45/jre  using classpath:       /usr/local/apache-tomcat-8.0.22/bin/bootstrap.jar:/usr/local/apache-tomcat-8.0.22/bin/tomcat-juli.jar  server version: apache tomcat/8.0.22  server built:   apr 29 2015 11:46:15 utc  server number:  8.0.22.0  os name:        linux  os version:     3.13.0-52-generic  architecture:   amd64  jvm version:   1.8.0_45-b14  jvm vendor:     oracle corporation

need help. thanks.

i'm guessing using maven make war , maven-compiler-plugin. have set source , target version there ? default configuration may not want. http://maven.apache.org/plugins/maven-compiler-plugin/examples/set-compiler-source-and-target.html


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