Getting Jodd Jerry: NoClassDefFoundError - jodd/exception/UncheckedException

Question

I am trying to use Jerry module from Jodd in my java project, for that i downloaded jodd-lagarto- 3.4.5 jar and added in classpath. I started write the code like below.

public void testJerryParserCreation() {

    Jerry.JerryParser jerryParser = Jerry.jerry();
    ((LagartoDOMBuilder) jerryParser.getDOMBuilder()).enableXmlMode();

    Jerry doc = jerryParser.parse("<xml>   <book isbn='123'> <name>Foo<br></name>   </book></xml>");

    Jerry name = doc.$("book name");

    assertEquals("Foo", name.text());

    assertEquals("<xml><book isbn=\"123\"><name>Foo<br></br></name></book></xml>", doc.html());
}

but in the above test in the first line itself, it is giving following exception. what might be the wrong here. Is my jar not correct?

java.lang.NoClassDefFoundError: jodd/exception/UncheckedException
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClass(Unknown Source)
    at java.security.SecureClassLoader.defineClass(Unknown Source)
    at java.net.URLClassLoader.defineClass(Unknown Source)
    at java.net.URLClassLoader.access$100(Unknown Source)
    at java.net.URLClassLoader$1.run(Unknown Source)
    at java.net.URLClassLoader$1.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at jodd.jerry.Jerry$JerryParser.createLagartoDOMBuilder(Jerry.java:82)
    at jodd.jerry.Jerry$JerryParser.<init>(Jerry.java:75)
    at jodd.jerry.Jerry.jerry(Jerry.java:123)
    at com.veersoft.JerryParserTest.testJerryParserCreation(JerryParserTest.java:22)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45)
    at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
    at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)
    at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
    at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263)
    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68)
    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47)
    at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)
    at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)
    at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)
    at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)
    at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222)
    at org.junit.runners.ParentRunner.run(ParentRunner.java:300)
    at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
    at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
Caused by: java.lang.ClassNotFoundException: jodd.exception.UncheckedException
    at java.net.URLClassLoader$1.run(Unknown Source)
    at java.net.URLClassLoader$1.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    ... 39 more

Answer 1

Its simple:) jodd-lagarto module depends on jodd-core module that has the missing class (as well as other utils Lagarto is using). Check the download page to see all modules and dependencies. For your version there might be also a dependency on slf4j logger (this has been removed recently).

You may also consider using some dependency management tool, like gradle or maven. Than all dependencies will be automatically downloaded.

If possible, try using the latest version of Jodd :) At this moment it's 3.4.10; 3.5 is almost out. The new versions contain some important Lagarto-related improvements, fixes and performance boosting :) Enjoy!