[3.2.1] Could not initialize Ebean?

[lu dongping]

I just upgrade ebean from 2.8.1 to 3.2.1,

but it does not work now:

==========================

[INFO] Started Jetty Server

Exception in thread "Thread-5" java.lang.NoClassDefFoundError: Could not initialize class com.avaje.ebean.Ebean

at name.my.caweb.db.DbCaStorage$detectTable$1.invoke(db.kt:327)

...

==========================

Thanks,

Outersky

[lu dongping]

maven dependency:

========================

$ mvn dependency:tree

[INFO] Scanning for projects...

[INFO]                                                                         

[INFO] ------------------------------------------------------------------------

[INFO] Building mycaweb 1.0.0

[INFO] ------------------------------------------------------------------------

[INFO] 

[INFO] --- maven-dependency-plugin:2.1:tree (default-cli) @ mycaweb ---

[INFO] name.my:mycaweb:war:1.0.0

[INFO] +- name.my:myca:jar:1.0.0:compile

[INFO] |  +- name.my:mycore:jar:1.0.0:compile

[INFO] |  +- name.my:myutil:jar:1.0.0:compile

[INFO] |  \- org.bouncycastle:bcprov-jdk15on:jar:1.47:compile

[INFO] +- name.my:mylib:jar:1.0.0:compile

[INFO] |  +- com.googlecode.xmemcached:xmemcached:jar:1.3.5:compile

[INFO] |  |  \- org.slf4j:slf4j-api:jar:1.5.6:compile

[INFO] |  \- c3p0:c3p0:jar:0.9.1.2:compile

[INFO] +- com.sun.jersey:jersey-core:jar:1.17.1:compile

[INFO] +- com.sun.jersey:jersey-server:jar:1.17.1:compile

[INFO] |  \- asm:asm:jar:3.1:compile

[INFO] +- com.sun.jersey:jersey-servlet:jar:1.17.1:compile

[INFO] +- javax:javaee-web-api:jar:6.0:provided

[INFO] +- com.google.code.gson:gson:jar:2.2.2:compile

[INFO] +- com.danga.ttserver:ttserverclient:jar:1.0.0:compile

[INFO] +- org.avaje.ebeanorm:avaje-ebeanorm:jar:3.2.1:compile

[INFO] |  \- javax.persistence:persistence-api:jar:1.0:compile

[INFO] +- org.hibernate.javax.persistence:hibernate-jpa-2.0-api:jar:1.0.1.Final:compile

[INFO] +- org.jetbrains.kotlin:kotlin-stdlib:jar:0.5.429:compile

[INFO] |  \- org.jetbrains.kotlin:kotlin-runtime:jar:0.5.429:compile

[INFO] +- mysql:mysql-connector-java:jar:5.0.4:compile

[INFO] +- log4j:log4j:jar:1.2.14:compile

[INFO] \- junit:junit:jar:4.10:test

[INFO]    \- org.hamcrest:hamcrest-core:jar:1.1:test

[INFO] ------------------------------------------------------------------------

[INFO] BUILD SUCCESS

[INFO] ------------------------------------------------------------------------

[lu dongping]

It works if Ebean loaded explicitly in ServletContextListener.

just one line added:

    Class.forName("com.avaje.ebean.Ebean") ;

But without this, another thread (also started by a ServletContextListener ) can not initialise Ebean successfully.

very strange!

[Rob Bygrave]

Maybe if you post your entire stacktrace it might be clearer.

Cheers, Rob.

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