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travel.b2b's Issues

Dependency Conflict: duplicate classes "org.apache.commons.logging.LogFactory.getFactory" in different JARs, have different implementations

Hi, in travel.b2b, duplicate classes with the same fully-qualified name org.apache.commons.logging.LogFactory.getFactory are included in two different libraries, i.e., org.slf4j:jcl-over-slf4j:1.7.5 and commons-logging:commons-logging:1.1.3.

According to "first declaration wins" class loading strategy, only this class in commons-logging:commons-logging:1.1.3 can be loaded, and that in org.slf4j:jcl-over-slf4j:1.7.5 will be shadowed.

By further analyzing, your project expects to invoke method org.apache.commons.logging.LogFactory.getFactory in org.slf4j:jcl-over-slf4j:1.7.5. As it has been shadowed, so that this method defined in commons-logging:commons-logging:1.1.3 are actually forced to be referenced via the following invocation path:

<com.zb.app.common.exception.ServiceExceptionCatcher: <clinit>()V> /root/sensor/unzip/travel.b2b-master/target/classes
<org.apache.commons.logging.LogFactory: getLog(Ljava/lang/Class;)Lorg/apache/commons/logging/Log;> /root/.m2/repository/commons-logging/commons-logging-api/1.1/commons-logging-api-1.1.jar
<org.apache.commons.logging.LogFactory: getFactory()Lorg/apache/commons/logging/LogFactory;>

Workaround solution:
An easy way to workaround the problem is reversing the declaration order of these two libraries (i.e., reverse the declaration order of httpclient and maven-resolver-transport-http) in pom file.
Then, according to "first declaration wins" class loading strategy, class org.apache.commons.logging.LogFactory.getFactory in org.slf4j:jcl-over-slf4j:1.7.5 can be loaded (the version that travel.b2b expects to reference by static analysis).
This fix will not affect other libraries or class, except the above duplicate class.

Dependency tree---

[INFO] com.zb.web:zb.web.pet:war:1.0.0
[INFO] +- junit:junit:jar:4.8.2:test
[INFO] +- org.springframework:spring-core:jar:4.0.3.RELEASE:compile
[INFO] | - commons-logging:commons-logging:jar:1.1.3:compile
[INFO] +- org.springframework:spring-expression:jar:4.0.3.RELEASE:compile
[INFO] +- org.springframework:spring-beans:jar:4.0.3.RELEASE:compile
[INFO] +- org.springframework:spring-aop:jar:4.0.3.RELEASE:compile
[INFO] +- org.springframework:spring-context:jar:4.0.3.RELEASE:compile
[INFO] +- org.springframework:spring-context-support:jar:4.0.3.RELEASE:compile
[INFO] +- org.springframework:spring-tx:jar:4.0.3.RELEASE:compile
[INFO] +- org.springframework:spring-jdbc:jar:4.0.3.RELEASE:compile
[INFO] +- org.springframework:spring-orm:jar:4.0.3.RELEASE:compile
[INFO] +- org.springframework:spring-oxm:jar:4.0.3.RELEASE:compile
[INFO] +- org.springframework:spring-web:jar:4.0.3.RELEASE:compile
[INFO] +- org.springframework:spring-webmvc:jar:4.0.3.RELEASE:compile
[INFO] +- org.springframework:spring-websocket:jar:4.0.3.RELEASE:compile
[INFO] +- org.springframework:spring-messaging:jar:4.0.3.RELEASE:compile
[INFO] +- org.springframework:spring-test:jar:4.0.3.RELEASE:compile
[INFO] +- org.apache.velocity:velocity:jar:1.7:compile
[INFO] +- org.apache.velocity:velocity-tools:jar:2.0:compile
[INFO] | +- commons-digester:commons-digester:jar:1.8:compile
[INFO] | +- commons-chain:commons-chain:jar:1.1:compile
[INFO] | +- commons-validator:commons-validator:jar:1.3.1:compile
[INFO] | +- dom4j:dom4j:jar:1.1:compile
[INFO] | +- oro:oro:jar:2.0.8:compile
[INFO] | +- sslext:sslext:jar:1.2-0:compile
[INFO] | +- org.apache.struts:struts-core:jar:1.3.8:compile
[INFO] | | - antlr:antlr:jar:2.7.2:compile
[INFO] | +- org.apache.struts:struts-taglib:jar:1.3.8:compile
[INFO] | - org.apache.struts:struts-tiles:jar:1.3.8:compile
[INFO] +- cglib:cglib-nodep:jar:2.2.2:compile
[INFO] +- org.mybatis:mybatis-spring:jar:1.2.1:compile
[INFO] +- org.mybatis:mybatis:jar:3.2.3:compile
[INFO] +- log4j:log4j:jar:1.2.14:compile
[INFO] +- org.slf4j:slf4j-api:jar:1.7.5:compile
[INFO] +- org.slf4j:jcl-over-slf4j:jar:1.7.5:compile
[INFO] +- org.slf4j:slf4j-log4j12:jar:1.7.5:compile
[INFO] +- org.lazyluke:log4jdbc-remix:jar:0.2.7:compile
[INFO] +- commons-dbcp:commons-dbcp:jar:1.4:compile
[INFO] +- commons-pool:commons-pool:jar:1.4:compile
[INFO] +- commons-logging:commons-logging-api:jar:1.1:compile
[INFO] +- commons-beanutils:commons-beanutils:jar:1.8.3:compile
[INFO] +- commons-collections:commons-collections:jar:3.2.1:compile
[INFO] +- commons-lang:commons-lang:jar:2.6:compile
[INFO] +- commons-fileupload:commons-fileupload:jar:1.3:compile
[INFO] +- commons-io:commons-io:jar:2.4:compile
[INFO] +- commons-httpclient:commons-httpclient:jar:3.1:compile
[INFO] | - commons-codec:commons-codec:jar:1.2:compile
[INFO] +- org.aspectj:aspectjweaver:jar:1.7.0:compile
[INFO] +- aopalliance:aopalliance:jar:1.0:compile
[INFO] +- net.sf.ezmorph:ezmorph:jar:1.0.6:compile
[INFO] +- com.fasterxml.jackson.core:jackson-core:jar:2.3.0:compile
[INFO] +- com.fasterxml.jackson.core:jackson-databind:jar:2.3.0:compile
[INFO] +- com.fasterxml.jackson.core:jackson-annotations:jar:2.3.0:compile
[INFO] +- org.apache.poi:poi-scratchpad:jar:3.9:compile
[INFO] | - org.apache.poi:poi:jar:3.9:compile
[INFO] +- javax.validation:validation-api:jar:1.1.0.Final:compile
[INFO] +- org.hibernate:hibernate-validator:jar:5.1.1.Final:compile
[INFO] | +- org.jboss.logging:jboss-logging:jar:3.1.3.GA:compile
[INFO] | - com.fasterxml:classmate:jar:1.0.0:compile
[INFO] +- javax.servlet:javax.servlet-api:jar:3.1.0:provided
[INFO] +- javax.servlet.jsp:jsp-api:jar:2.2:provided
[INFO] +- javax.servlet:jstl:jar:1.2:provided
[INFO] +- javax.websocket:javax.websocket-api:jar:1.0:provided
[INFO] +- com.google.code.gson:gson:jar:2.2.4:compile
[INFO] +- com.googlecode.json-simple:json-simple:jar:1.1.1:compile
[INFO] +- com.google.guava:guava:jar:18.0:compile
[INFO] +- com.belerweb:pinyin4j:jar:2.5.0:compile
[INFO] +- org.apache.solr:solr-solrj:jar:4.4.0:compile
[INFO] | +- org.apache.zookeeper:zookeeper:jar:3.4.5:compile
[INFO] | - org.codehaus.woodstox:wstx-asl:jar:3.2.7:runtime
[INFO] +- org.apache.lucene:lucene-analyzers-common:jar:4.4.0:compile
[INFO] +- org.apache.lucene:lucene-core:jar:4.4.0:compile
[INFO] +- org.apache.httpcomponents:httpcore:jar:4.2.4:compile
[INFO] +- org.apache.httpcomponents:httpclient:jar:4.2.5:compile
[INFO] +- org.apache.httpcomponents:httpmime:jar:4.2.5:compile
[INFO] - org.noggit:noggit:jar:0.5:compile

Thank you very much.
Best,
Coco

Dependency Conflict: duplicate classes "org.apache.commons.logging.LogFactory.getFactory" in different JARs, have different implementations

Hi, in travel.b2b, duplicate classes with the same fully-qualified name org.apache.commons.logging.LogFactory.getFactory are included in two different libraries, i.e., org.slf4j:jcl-over-slf4j:1.7.5 and commons-logging:commons-logging:1.1.3.

According to "first declaration wins" class loading strategy, only this class in commons-logging:commons-logging:1.1.3 can be loaded, and that in org.slf4j:jcl-over-slf4j:1.7.5 will be shadowed.

By further analyzing, your project expects to invoke method org.apache.commons.logging.LogFactory.getFactory in org.slf4j:jcl-over-slf4j:1.7.5. As it has been shadowed, so that this method defined in commons-logging:commons-logging:1.1.3 are actually forced to be referenced via the following invocation path:

<com.zb.app.common.exception.ServiceExceptionCatcher: <clinit>()V> /root/sensor/unzip/travel.b2b-master/target/classes
<org.apache.commons.logging.LogFactory: getLog(Ljava/lang/Class;)Lorg/apache/commons/logging/Log;> /root/.m2/repository/commons-logging/commons-logging-api/1.1/commons-logging-api-1.1.jar
<org.apache.commons.logging.LogFactory: getFactory()Lorg/apache/commons/logging/LogFactory;>

Workaround solution:
An easy way to workaround the problem is reversing the declaration order of these two libraries (i.e., reverse the declaration order of httpclient and maven-resolver-transport-http) in pom file.
Then, according to "first declaration wins" class loading strategy, class org.apache.commons.logging.LogFactory.getFactory in org.slf4j:jcl-over-slf4j:1.7.5 can be loaded (the version that travel.b2b expects to reference by static analysis).
This fix will not affect other libraries or class, except the above duplicate class.

Dependency tree---

[INFO] com.zb.web:zb.web.pet:war:1.0.0
[INFO] +- junit:junit:jar:4.8.2:test
[INFO] +- org.springframework:spring-core:jar:4.0.3.RELEASE:compile
[INFO] | - commons-logging:commons-logging:jar:1.1.3:compile
[INFO] +- org.springframework:spring-expression:jar:4.0.3.RELEASE:compile
[INFO] +- org.springframework:spring-beans:jar:4.0.3.RELEASE:compile
[INFO] +- org.springframework:spring-aop:jar:4.0.3.RELEASE:compile
[INFO] +- org.springframework:spring-context:jar:4.0.3.RELEASE:compile
[INFO] +- org.springframework:spring-context-support:jar:4.0.3.RELEASE:compile
[INFO] +- org.springframework:spring-tx:jar:4.0.3.RELEASE:compile
[INFO] +- org.springframework:spring-jdbc:jar:4.0.3.RELEASE:compile
[INFO] +- org.springframework:spring-orm:jar:4.0.3.RELEASE:compile
[INFO] +- org.springframework:spring-oxm:jar:4.0.3.RELEASE:compile
[INFO] +- org.springframework:spring-web:jar:4.0.3.RELEASE:compile
[INFO] +- org.springframework:spring-webmvc:jar:4.0.3.RELEASE:compile
[INFO] +- org.springframework:spring-websocket:jar:4.0.3.RELEASE:compile
[INFO] +- org.springframework:spring-messaging:jar:4.0.3.RELEASE:compile
[INFO] +- org.springframework:spring-test:jar:4.0.3.RELEASE:compile
[INFO] +- org.apache.velocity:velocity:jar:1.7:compile
[INFO] +- org.apache.velocity:velocity-tools:jar:2.0:compile
[INFO] | +- commons-digester:commons-digester:jar:1.8:compile
[INFO] | +- commons-chain:commons-chain:jar:1.1:compile
[INFO] | +- commons-validator:commons-validator:jar:1.3.1:compile
[INFO] | +- dom4j:dom4j:jar:1.1:compile
[INFO] | +- oro:oro:jar:2.0.8:compile
[INFO] | +- sslext:sslext:jar:1.2-0:compile
[INFO] | +- org.apache.struts:struts-core:jar:1.3.8:compile
[INFO] | | - antlr:antlr:jar:2.7.2:compile
[INFO] | +- org.apache.struts:struts-taglib:jar:1.3.8:compile
[INFO] | - org.apache.struts:struts-tiles:jar:1.3.8:compile
[INFO] +- cglib:cglib-nodep:jar:2.2.2:compile
[INFO] +- org.mybatis:mybatis-spring:jar:1.2.1:compile
[INFO] +- org.mybatis:mybatis:jar:3.2.3:compile
[INFO] +- log4j:log4j:jar:1.2.14:compile
[INFO] +- org.slf4j:slf4j-api:jar:1.7.5:compile
[INFO] +- org.slf4j:jcl-over-slf4j:jar:1.7.5:compile
[INFO] +- org.slf4j:slf4j-log4j12:jar:1.7.5:compile
[INFO] +- org.lazyluke:log4jdbc-remix:jar:0.2.7:compile
[INFO] +- commons-dbcp:commons-dbcp:jar:1.4:compile
[INFO] +- commons-pool:commons-pool:jar:1.4:compile
[INFO] +- commons-logging:commons-logging-api:jar:1.1:compile
[INFO] +- commons-beanutils:commons-beanutils:jar:1.8.3:compile
[INFO] +- commons-collections:commons-collections:jar:3.2.1:compile
[INFO] +- commons-lang:commons-lang:jar:2.6:compile
[INFO] +- commons-fileupload:commons-fileupload:jar:1.3:compile
[INFO] +- commons-io:commons-io:jar:2.4:compile
[INFO] +- commons-httpclient:commons-httpclient:jar:3.1:compile
[INFO] | - commons-codec:commons-codec:jar:1.2:compile
[INFO] +- org.aspectj:aspectjweaver:jar:1.7.0:compile
[INFO] +- aopalliance:aopalliance:jar:1.0:compile
[INFO] +- net.sf.ezmorph:ezmorph:jar:1.0.6:compile
[INFO] +- com.fasterxml.jackson.core:jackson-core:jar:2.3.0:compile
[INFO] +- com.fasterxml.jackson.core:jackson-databind:jar:2.3.0:compile
[INFO] +- com.fasterxml.jackson.core:jackson-annotations:jar:2.3.0:compile
[INFO] +- org.apache.poi:poi-scratchpad:jar:3.9:compile
[INFO] | - org.apache.poi:poi:jar:3.9:compile
[INFO] +- javax.validation:validation-api:jar:1.1.0.Final:compile
[INFO] +- org.hibernate:hibernate-validator:jar:5.1.1.Final:compile
[INFO] | +- org.jboss.logging:jboss-logging:jar:3.1.3.GA:compile
[INFO] | - com.fasterxml:classmate:jar:1.0.0:compile
[INFO] +- javax.servlet:javax.servlet-api:jar:3.1.0:provided
[INFO] +- javax.servlet.jsp:jsp-api:jar:2.2:provided
[INFO] +- javax.servlet:jstl:jar:1.2:provided
[INFO] +- javax.websocket:javax.websocket-api:jar:1.0:provided
[INFO] +- com.google.code.gson:gson:jar:2.2.4:compile
[INFO] +- com.googlecode.json-simple:json-simple:jar:1.1.1:compile
[INFO] +- com.google.guava:guava:jar:18.0:compile
[INFO] +- com.belerweb:pinyin4j:jar:2.5.0:compile
[INFO] +- org.apache.solr:solr-solrj:jar:4.4.0:compile
[INFO] | +- org.apache.zookeeper:zookeeper:jar:3.4.5:compile
[INFO] | - org.codehaus.woodstox:wstx-asl:jar:3.2.7:runtime
[INFO] +- org.apache.lucene:lucene-analyzers-common:jar:4.4.0:compile
[INFO] +- org.apache.lucene:lucene-core:jar:4.4.0:compile
[INFO] +- org.apache.httpcomponents:httpcore:jar:4.2.4:compile
[INFO] +- org.apache.httpcomponents:httpclient:jar:4.2.5:compile
[INFO] +- org.apache.httpcomponents:httpmime:jar:4.2.5:compile
[INFO] - org.noggit:noggit:jar:0.5:compile

Thank you very much.
Best,
Coco

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