# i am getting NoClassDefFoundError: com/wowza/wms/server/IServer

**URL:** <https://community.wowza.com/t/i-am-getting-noclassdeffounderror-com-wowza-wms-server-iserver/51979>\
**Category:** Wowza Streaming Engine\
**Tags:** wowza-streaming-server-java-api\
**Created:** [September 20, 2018, 4:46pm UTC](https://community.wowza.com/t/i-am-getting-noclassdeffounderror-com-wowza-wms-server-iserver/51979 "2018-09-20T16:46:49Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![rahul\_Bhandari](https://avatars.discourse-cdn.com/v4/letter/r/9de053/32.png) [@rahul\_Bhandari](https://community.wowza.com/u/rahul_Bhandari)\
**Post date:** [September 20, 2018, 4:46pm UTC](https://community.wowza.com/t/i-am-getting-noclassdeffounderror-com-wowza-wms-server-iserver/51979/1 "2018-09-20T16:46:49Z")

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I am getting this following error while trying to build a plugin

p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Monaco; color: #0433ff} p.p2 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Monaco; color: #ff2600} span.s1 {text-decoration: underline ; color: #0080e1} span.Apple-tab-span {white-space:pre}

[exec] Exception in thread “main” java.lang.NoClassDefFoundError: com/wowza/wms/server/IServer

[exec] at java.lang.Class.getDeclaredMethods0(Native Method)

[exec] at java.lang.Class.privateGetDeclaredMethods(Class.java:2701)

[exec] at java.lang.Class.privateGetPublicMethods(Class.java:2902)

[exec] at java.lang.Class.getMethods(Class.java:1615)

[exec] at com.sun.xml.internal.ws.model.RuntimeModeler.determineWebMethodUse(RuntimeModeler.java:396)

[exec] at com.sun.xml.internal.ws.model.RuntimeModeler.processClass(RuntimeModeler.java:411)

[exec] at com.sun.xml.internal.ws.model.RuntimeModeler.buildRuntimeModel(RuntimeModeler.java:305)

[exec] at com.sun.xml.internal.ws.db.DatabindingImpl.(DatabindingImpl.java:85)

[exec] at com.sun.xml.internal.ws.db.DatabindingProviderImpl.create(DatabindingProviderImpl.java:59)

[exec] at com.sun.xml.internal.ws.db.DatabindingProviderImpl.create(DatabindingProviderImpl.java:43)

[exec] at com.sun.xml.internal.ws.db.DatabindingFactoryImpl.createRuntime(DatabindingFactoryImpl.java:105)

[exec] at com.sun.tools.internal.ws.wscompile.WsgenTool.buildModel(WsgenTool.java:243)

[exec] at com.sun.tools.internal.ws.wscompile.WsgenTool.run(WsgenTool.java:117)

[exec] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

[exec] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)

[exec] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

[exec] at java.lang.reflect.Method.invoke(Method.java:498)

[exec] at com.sun.tools.internal.ws.Invoker.invoke(Invoker.java:159)

[exec] at com.sun.tools.internal.ws.WsGen.main(WsGen.java:42)

[exec] Caused by: java.lang.ClassNotFoundException: com.wowza.wms.server.IServer

[exec] at java.net.URLClassLoader.findClass(URLClassLoader.java:381)

[exec] at java.lang.ClassLoader.loadClass(ClassLoader.java:424)

[exec] at java.lang.ClassLoader.loadClass(ClassLoader.java:357)

[exec] … 19 more

[exec] Result: 1

I have added

i have added

import com.wowza.wms.server.\*;

using jre 1.8

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<div class="post-metadata">

**Author:** ![Rose\_Power-Wowza\_Com](https://sea2.discourse-cdn.com/flex002/user_avatar/community.wowza.com/rose_power-wowza_com/32/431_2.png) [@Rose\_Power-Wowza\_Com](https://community.wowza.com/u/Rose_Power-Wowza_Com)\
**Post date:** [September 20, 2018, 7:53pm UTC](https://community.wowza.com/t/i-am-getting-noclassdeffounderror-com-wowza-wms-server-iserver/51979/2 "2018-09-20T19:53:12Z")

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Hello @rahul Bhandari, would you kindly open a support ticket? That way we can run some tests to find the problem. Thanks so much.

> **[Open a Support Ticket | Wowza Media Systems](https://www.wowza.com/support/open-ticket)**
>
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