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Unsupported major.minor version 51.0

Question asked by bhargav.vempalli on Jun 16, 2015
Latest reply on Jun 16, 2015 by bhargav.vempalli
I am trying to implement alfresco in my eclipse and not able to get away from this error message. I am currently using jdk 7 and jre 7 in eclipse.please help

Execution default-set-version of goal org.alfresco.maven.plugin:alfresco-maven-plugin:2.0.0:set-version failed: Unable to load the mojo 'set-version' in the plugin 'org.alfresco.maven.plugin:alfresco-maven-plugin:2.0.0' due to an API incompatibility: org.codehaus.plexus.component.repository.exception.ComponentLookupException: org/alfresco/maven/plugin/VersionMojo : Unsupported major.minor version 51.0
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realm =    plugin>org.alfresco.maven.plugin:alfresco-maven-plugin:2.0.0
strategy = org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy
urls[0] = file:/C:/Users/abcd-Services/.m2/repository/org/alfresco/maven/plugin/alfresco-maven-plugin/2.0.0/alfresco-maven-plugin-2.0.0.jar
urls[1] = file:/C:/Users/abcd-Services/.m2/repository/org/sonatype/sisu/sisu-inject-bean/2.3.0/sisu-inject-bean-2.3.0.jar
urls[2] = file:/C:/Users/abcd-Services/.m2/repository/org/sonatype/sisu/sisu-guice/3.1.0/sisu-guice-3.1.0-no_aop.jar
urls[3] = file:/C:/Users/abcd-Services/.m2/repository/org/sonatype/sisu/sisu-guava/0.9.9/sisu-guava-0.9.9.jar
urls[4] = file:/C:/Users/abcd-Services/.m2/repository/org/sonatype/sisu/inject/guice-bean-containers/2.3.0/guice-bean-containers-2.3.0.jar
urls[5] = file:/C:/Users/abcd-Services/.m2/repository/org/sonatype/sisu/inject/guice-bean-inject/2.3.0/guice-bean-inject-2.3.0.jar
urls[6] = file:/C:/Users/abcd-Services/.m2/repository/org/sonatype/sisu/inject/guice-plexus-shim/2.3.0/guice-plexus-shim-2.3.0.jar
urls[7] = file:/C:/Users/abcd-Services/.m2/repository/javax/inject/javax.inject/1/javax.inject-1.jar
urls[8] = file:/C:/Users/abcd-Services/.m2/repository/org/sonatype/sisu/sisu-guice/3.1.0/sisu-guice-3.1.0.jar
urls[9] = file:/C:/Users/abcd-Services/.m2/repository/aopalliance/aopalliance/1.0/aopalliance-1.0.jar
urls[10] = file:/C:/Users/abcd-Services/.m2/repository/org/sonatype/sisu/inject/guice-bean-reflect/2.3.0/guice-bean-reflect-2.3.0.jar
urls[11] = file:/C:/Users/abcd-Services/.m2/repository/org/sonatype/sisu/inject/guice-bean-locators/2.3.0/guice-bean-locators-2.3.0.jar
urls[12] = file:/C:/Users/abcd-Services/.m2/repository/org/sonatype/sisu/inject/guice-bean-binders/2.3.0/guice-bean-binders-2.3.0.jar
urls[13] = file:/C:/Users/abcd-Services/.m2/repository/javax/enterprise/cdi-api/1.0/cdi-api-1.0.jar
urls[14] = file:/C:/Users/abcd-Services/.m2/repository/javax/annotation/jsr250-api/1.0/jsr250-api-1.0.jar
urls[15] = file:/C:/Users/abcd-Services/.m2/repository/org/sonatype/sisu/inject/guice-bean-scanners/2.3.0/guice-bean-scanners-2.3.0.jar
urls[16] = file:/C:/Users/abcd-Services/.m2/repository/org/sonatype/sisu/inject/guice-bean-converters/2.3.0/guice-bean-converters-2.3.0.jar
urls[17] = file:/C:/Users/abcd-Services/.m2/repository/org/sonatype/sisu/inject/guice-plexus-metadata/2.3.0/guice-plexus-metadata-2.3.0.jar
urls[18] = file:/C:/Users/abcd-Services/.m2/repository/org/sonatype/sisu/inject/guice-plexus-converters/2.3.0/guice-plexus-converters-2.3.0.jar
urls[19] = file:/C:/Users/abcd-Services/.m2/repository/org/sonatype/sisu/inject/guice-plexus-locators/2.3.0/guice-plexus-locators-2.3.0.jar
urls[20] = file:/C:/Users/abcd-Services/.m2/repository/org/sonatype/sisu/inject/guice-plexus-binders/2.3.0/guice-plexus-binders-2.3.0.jar
urls[21] = file:/C:/Users/abcd-Services/.m2/repository/org/sonatype/sisu/inject/guice-plexus-scanners/2.3.0/guice-plexus-scanners-2.3.0.jar
urls[22] = file:/C:/Users/abcd-Services/.m2/repository/org/sonatype/sisu/inject/guice-plexus-lifecycles/2.3.0/guice-plexus-lifecycles-2.3.0.jar
urls[23] = file:/C:/Users/abcd-Services/.m2/repository/org/apache/maven/maven-archiver/2.5/maven-archiver-2.5.jar
urls[24] = file:/C:/Users/abcd-Services/.m2/repository/org/codehaus/plexus/plexus-utils/3.0/plexus-utils-3.0.jar
urls[25] = file:/C:/Users/abcd-Services/.m2/repository/org/codehaus/plexus/plexus-interpolation/1.15/plexus-interpolation-1.15.jar
urls[26] = file:/C:/Users/abcd-Services/.m2/repository/org/codehaus/plexus/plexus-archiver/2.3/plexus-archiver-2.3.jar
urls[27] = file:/C:/Users/abcd-Services/.m2/repository/junit/junit/3.8.1/junit-3.8.1.jar
urls[28] = file:/C:/Users/abcd-Services/.m2/repository/org/codehaus/plexus/plexus-io/2.0.6/plexus-io-2.0.6.jar
urls[29] = file:/C:/Users/abcd-Services/.m2/repository/org/sonatype/aether/aether-util/1.13.1/aether-util-1.13.1.jar
urls[30] = file:/C:/Users/abcd-Services/.m2/repository/org/codehaus/plexus/plexus-component-annotations/1.5.5/plexus-component-annotations-1.5.5.jar
urls[31] = file:/C:/Users/abcd-Services/.m2/repository/org/sonatype/plexus/plexus-sec-dispatcher/1.3/plexus-sec-dispatcher-1.3.jar
urls[32] = file:/C:/Users/abcd-Services/.m2/repository/org/sonatype/plexus/plexus-cipher/1.4/plexus-cipher-1.4.jar
urls[33] = file:/C:/Users/abcd-Services/.m2/repository/commons-io/commons-io/2.1/commons-io-2.1.jar
urls[34] = file:/C:/Users/abcd-Services/.m2/repository/org/alfresco/alfresco-mmt/5.0.c/alfresco-mmt-5.0.c.jar
urls[35] = file:/C:/Users/abcd-Services/.m2/repository/org/alfrescolabs/alfresco-technical-validation/org.alfrescolabs.alfresco-technical-validation/0.4.0/org.alfrescolabs.alfresco-technical-validation-0.4.0.jar
urls[36] = file:/C:/Users/abcd-Services/.m2/repository/org/clojure/clojure/1.6.0/clojure-1.6.0.jar
urls[37] = file:/C:/Users/abcd-Services/.m2/repository/org/clojure/tools.cli/0.3.1/tools.cli-0.3.1.jar
urls[38] = file:/C:/Users/abcd-Services/.m2/repository/org/clojure/tools.logging/0.3.0/tools.logging-0.3.0.jar
urls[39] = file:/C:/Users/abcd-Services/.m2/repository/clojurewerkz/neocons/3.0.0/neocons-3.0.0.jar
urls[40] = file:/C:/Users/abcd-Services/.m2/repository/cheshire/cheshire/5.3.1/cheshire-5.3.1.jar
urls[41] = file:/C:/Users/abcd-Services/.m2/repository/com/fasterxml/jackson/core/jackson-core/2.3.1/jackson-core-2.3.1.jar
urls[42] = file:/C:/Users/abcd-Services/.m2/repository/com/fasterxml/jackson/dataformat/jackson-dataformat-smile/2.3.1/jackson-dataformat-smile-2.3.1.jar
urls[43] = file:/C:/Users/abcd-Services/.m2/repository/tigris/tigris/0.1.1/tigris-0.1.1.jar
urls[44] = file:/C:/Users/abcd-Services/.m2/repository/clj-http/clj-http/0.9.1/clj-http-0.9.1.jar
urls[45] = file:/C:/Users/abcd-Services/.m2/repository/org/apache/httpcomponents/httpcore/4.3.2/httpcore-4.3.2.jar
urls[46] = file:/C:/Users/abcd-Services/.m2/repository/org/apache/httpcomponents/httpclient/4.3.2/httpclient-4.3.2.jar
urls[47] = file:/C:/Users/abcd-Services/.m2/repository/org/apache/httpcomponents/httpmime/4.3.2/httpmime-4.3.2.jar
urls[48] = file:/C:/Users/abcd-Services/.m2/repository/commons-codec/commons-codec/1.9/commons-codec-1.9.jar
urls[49] = file:/C:/Users/abcd-Services/.m2/repository/slingshot/slingshot/0.10.3/slingshot-0.10.3.jar
urls[50] = file:/C:/Users/abcd-Services/.m2/repository/crouton/crouton/0.1.1/crouton-0.1.1.jar
urls[51] = file:/C:/Users/abcd-Services/.m2/repository/org/jsoup/jsoup/1.7.1/jsoup-1.7.1.jar
urls[52] = file:/C:/Users/abcd-Services/.m2/repository/org/clojure/tools.reader/0.8.3/tools.reader-0.8.3.jar
urls[53] = file:/C:/Users/abcd-Services/.m2/repository/potemkin/potemkin/0.3.4/potemkin-0.3.4.jar
urls[54] = file:/C:/Users/abcd-Services/.m2/repository/clj-tuple/clj-tuple/0.1.2/clj-tuple-0.1.2.jar
urls[55] = file:/C:/Users/abcd-Services/.m2/repository/riddley/riddley/0.1.6/riddley-0.1.6.jar
urls[56] = file:/C:/Users/abcd-Services/.m2/repository/clojurewerkz/support/0.20.0/support-0.20.0.jar
urls[57] = file:/C:/Users/abcd-Services/.m2/repository/com/google/guava/guava/14.0.1/guava-14.0.1.jar
urls[58] = file:/C:/Users/abcd-Services/.m2/repository/clojurewerkz/urly/2.0.0-alpha5/urly-2.0.0-alpha5.jar
urls[59] = file:/C:/Users/abcd-Services/.m2/repository/ch/qos/logback/logback-classic/1.1.2/logback-classic-1.1.2.jar
urls[60] = file:/C:/Users/abcd-Services/.m2/repository/ch/qos/logback/logback-core/1.1.2/logback-core-1.1.2.jar
urls[61] = file:/C:/Users/abcd-Services/.m2/repository/org/slf4j/slf4j-api/1.7.6/slf4j-api-1.7.6.jar
urls[62] = file:/C:/Users/abcd-Services/.m2/repository/me/raynes/conch/0.7.0/conch-0.7.0.jar
urls[63] = file:/C:/Users/abcd-Services/.m2/repository/org/flatland/useful/0.10.6/useful-0.10.6.jar
urls[64] = file:/C:/Users/abcd-Services/.m2/repository/org/clojure/tools.macro/0.1.1/tools.macro-0.1.1.jar
urls[65] = file:/C:/Users/abcd-Services/.m2/repository/jansi-clj/jansi-clj/0.1.0/jansi-clj-0.1.0.jar
urls[66] = file:/C:/Users/abcd-Services/.m2/repository/org/fusesource/jansi/jansi/1.11/jansi-1.11.jar
urls[67] = file:/C:/Users/abcd-Services/.m2/repository/io/aviso/pretty/0.1.12/pretty-0.1.12.jar
urls[68] = file:/C:/Users/abcd-Services/.m2/repository/org/clojars/pmonks/depends/0.3.0/depends-0.3.0.jar
urls[69] = file:/C:/Users/abcd-Services/.m2/repository/org/clojure/data.json/0.2.4/data.json-0.2.4.jar
urls[70] = file:/C:/Users/abcd-Services/.m2/repository/org/ow2/asm/asm/5.0.3/asm-5.0.3.jar
urls[71] = file:/C:/Users/abcd-Services/.m2/repository/net/java/truevfs/truevfs-kernel-impl/0.10.6/truevfs-kernel-impl-0.10.6.jar
urls[72] = file:/C:/Users/abcd-Services/.m2/repository/net/java/truevfs/truevfs-kernel-spec/0.10.6/truevfs-kernel-spec-0.10.6.jar
urls[73] = file:/C:/Users/abcd-Services/.m2/repository/net/java/truecommons/truecommons-cio/2.3.4/truecommons-cio-2.3.4.jar
urls[74] = file:/C:/Users/abcd-Services/.m2/repository/net/java/truecommons/truecommons-io/2.3.4/truecommons-io-2.3.4.jar
urls[75] = file:/C:/Users/abcd-Services/.m2/repository/net/java/truecommons/truecommons-services/2.3.4/truecommons-services-2.3.4.jar
urls[76] = file:/C:/Users/abcd-Services/.m2/repository/net/java/truecommons/truecommons-logging/2.3.4/truecommons-logging-2.3.4.jar
urls[77] = file:/C:/Users/abcd-Services/.m2/repository/org/scala-lang/scala-library/2.10.3/scala-library-2.10.3.jar
urls[78] = file:/C:/Users/abcd-Services/.m2/repository/net/java/truevfs/truevfs-access/0.10.6/truevfs-access-0.10.6.jar
urls[79] = file:/C:/Users/abcd-Services/.m2/repository/net/java/truevfs/truevfs-driver-file/0.10.6/truevfs-driver-file-0.10.6.jar
urls[80] = file:/C:/Users/abcd-Services/.m2/repository/net/java/truevfs/truevfs-driver-zip/0.10.6/truevfs-driver-zip-0.10.6.jar
urls[81] = file:/C:/Users/abcd-Services/.m2/repository/net/java/truevfs/truevfs-comp-ibm437/0.10.6/truevfs-comp-ibm437-0.10.6.jar
urls[82] = file:/C:/Users/abcd-Services/.m2/repository/net/java/truevfs/truevfs-comp-zipdriver/0.10.6/truevfs-comp-zipdriver-0.10.6.jar
urls[83] = file:/C:/Users/abcd-Services/.m2/repository/net/java/truevfs/truevfs-comp-zip/0.10.6/truevfs-comp-zip-0.10.6.jar
urls[84] = file:/C:/Users/abcd-Services/.m2/repository/org/apache/commons/commons-compress/1.7/commons-compress-1.7.jar
urls[85] = file:/C:/Users/abcd-Services/.m2/repository/org/bouncycastle/bcprov-jdk16/1.46/bcprov-jdk16-1.46.jar
urls[86] = file:/C:/Users/abcd-Services/.m2/repository/net/java/truevfs/truevfs-driver-jar/0.10.6/truevfs-driver-jar-0.10.6.jar
urls[87] = file:/C:/Users/abcd-Services/.m2/repository/net/java/truecommons/truecommons-key-disable/2.3.4/truecommons-key-disable-2.3.4.jar
urls[88] = file:/C:/Users/abcd-Services/.m2/repository/net/java/truecommons/truecommons-key-spec/2.3.4/truecommons-key-spec-2.3.4.jar
urls[89] = file:/C:/Users/abcd-Services/.m2/repository/net/java/truecommons/truecommons-shed/2.3.4/truecommons-shed-2.3.4.jar
urls[90] = file:/C:/Users/abcd-Services/.m2/repository/org/clojars/pmonks/multigrep/0.2.0/multigrep-0.2.0.jar
urls[91] = file:/C:/Users/abcd-Services/.m2/repository/org/clojars/pmonks/bookmark-writer/0.1.0/bookmark-writer-0.1.0.jar
urls[92] = file:/C:/Users/abcd-Services/.m2/repository/org/docx4j/docx4j/3.0.1/docx4j-3.0.1.jar
urls[93] = file:/C:/Users/abcd-Services/.m2/repository/org/plutext/jaxb-svg11/1.0.2/jaxb-svg11-1.0.2.jar
urls[94] = file:/C:/Users/abcd-Services/.m2/repository/org/plutext/jaxb-xslfo/1.0.1/jaxb-xslfo-1.0.1.jar
urls[95] = file:/C:/Users/abcd-Services/.m2/repository/org/plutext/jaxb-xmldsig-core/1.0.0/jaxb-xmldsig-core-1.0.0.jar
urls[96] = file:/C:/Users/abcd-Services/.m2/repository/commons-lang/commons-lang/2.4/commons-lang-2.4.jar
urls[97] = file:/C:/Users/abcd-Services/.m2/repository/org/apache/xmlgraphics/xmlgraphics-commons/1.5/xmlgraphics-commons-1.5.jar
urls[98] = file:/C:/Users/abcd-Services/.m2/repository/commons-logging/commons-logging/1.1.1/commons-logging-1.1.1.jar
urls[99] = file:/C:/Users/abcd-Services/.m2/repository/org/apache/xmlgraphics/fop/1.1/fop-1.1.jar
urls[100] = file:/C:/Users/abcd-Services/.m2/repository/org/apache/xmlgraphics/batik-svg-dom/1.7/batik-svg-dom-1.7.jar
urls[101] = file:/C:/Users/abcd-Services/.m2/repository/org/apache/xmlgraphics/batik-anim/1.7/batik-anim-1.7.jar
urls[102] = file:/C:/Users/abcd-Services/.m2/repository/org/apache/xmlgraphics/batik-css/1.7/batik-css-1.7.jar
urls[103] = file:/C:/Users/abcd-Services/.m2/repository/org/apache/xmlgraphics/batik-dom/1.7/batik-dom-1.7.jar
urls[104] = file:/C:/Users/abcd-Services/.m2/repository/org/apache/xmlgraphics/batik-parser/1.7/batik-parser-1.7.jar
urls[105] = file:/C:/Users/abcd-Services/.m2/repository/org/apache/xmlgraphics/batik-util/1.7/batik-util-1.7.jar
urls[106] = file:/C:/Users/abcd-Services/.m2/repository/org/apache/xmlgraphics/batik-bridge/1.7/batik-bridge-1.7.jar
urls[107] = file:/C:/Users/abcd-Services/.m2/repository/org/apache/xmlgraphics/batik-script/1.7/batik-script-1.7.jar
urls[108] = file:/C:/Users/abcd-Services/.m2/repository/org/apache/xmlgraphics/batik-js/1.7/batik-js-1.7.jar
urls[109] = file:/C:/Users/abcd-Services/.m2/repository/org/apache/xmlgraphics/batik-xml/1.7/batik-xml-1.7.jar
urls[110] = file:/C:/Users/abcd-Services/.m2/repository/org/apache/xmlgraphics/batik-awt-util/1.7/batik-awt-util-1.7.jar
urls[111] = file:/C:/Users/abcd-Services/.m2/repository/org/apache/xmlgraphics/batik-gvt/1.7/batik-gvt-1.7.jar
urls[112] = file:/C:/Users/abcd-Services/.m2/repository/org/apache/xmlgraphics/batik-transcoder/1.7/batik-transcoder-1.7.jar
urls[113] = file:/C:/Users/abcd-Services/.m2/repository/org/apache/xmlgraphics/batik-svggen/1.7/batik-svggen-1.7.jar
urls[114] = file:/C:/Users/abcd-Services/.m2/repository/org/apache/xmlgraphics/batik-extension/1.7/batik-extension-1.7.jar
urls[115] = file:/C:/Users/abcd-Services/.m2/repository/org/apache/xmlgraphics/batik-ext/1.7/batik-ext-1.7.jar
urls[116] = file:/C:/Users/abcd-Services/.m2/repository/org/apache/avalon/framework/avalon-framework-api/4.3.1/avalon-framework-api-4.3.1.jar
urls[117] = file:/C:/Users/abcd-Services/.m2/repository/org/apache/avalon/framework/avalon-framework-impl/4.3.1/avalon-framework-impl-4.3.1.jar
urls[118] = file:/C:/Users/abcd-Services/.m2/repository/xalan/xalan/2.7.1/xalan-2.7.1.jar
urls[119] = file:/C:/Users/abcd-Services/.m2/repository/xalan/serializer/2.7.1/serializer-2.7.1.jar
urls[120] = file:/C:/Users/abcd-Services/.m2/repository/net/arnx/wmf2svg/0.9.0/wmf2svg-0.9.0.jar
urls[121] = file:/C:/Users/abcd-Services/.m2/repository/org/apache/poi/poi-scratchpad/3.8/poi-scratchpad-3.8.jar
urls[122] = file:/C:/Users/abcd-Services/.m2/repository/org/apache/poi/poi/3.8/poi-3.8.jar
urls[123] = file:/C:/Users/abcd-Services/.m2/repository/org/antlr/antlr-runtime/3.3/antlr-runtime-3.3.jar
urls[124] = file:/C:/Users/abcd-Services/.m2/repository/org/antlr/stringtemplate/3.2.1/stringtemplate-3.2.1.jar
urls[125] = file:/C:/Users/abcd-Services/.m2/repository/antlr/antlr/2.7.7/antlr-2.7.7.jar
urls[126] = file:/C:/Users/abcd-Services/.m2/repository/org/clojars/pmonks/spinner/0.2.0/spinner-0.2.0.jar
Number of foreign imports: 1
import: Entry[import  from realm ClassRealm[project>gov.ocse:workplacesAmp:1.0-SNAPSHOT, parent: ClassRealm[maven.api, parent: null]]]

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(org.alfresco.maven.plugin:alfresco-maven-plugin:2.0.0:set-version:default-set-version:initialize)   pom.xml   /workplacesAmp   line 12   Maven Build Problem

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