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Newbie question [message #1731614]

Sun, 08 May 2016 01:46

Aniruddha Shevade

Messages: 14
Registered: July 2009

Junior Member

Hi
Excuse me for a simple question.
I am new to this project. I downloaded the source and tried to build it following the instructions

I am getting the following error, I suspect it is the version of java I am using to compile ( which is 1. Cool

.

/C:/stardust_src/engine/stardust-engine-base/src/main/java/org
/eclipse/stardust/common/config/extensions/PojoExtensionsCache.java:[88,72] incompatible types: java.lang.Object cannot be converted to T

Any help is appreciated.

Best Regards
Ani

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Re: Newbie question [message #1731662 is a reply to message #1731614]

Mon, 09 May 2016 06:23

Tanmoy Roy

Messages: 41
Registered: September 2013

Member

Hi Ani,

Its more related to type cast problem, when you see this error? At completing any activity?

-Tanmoy Roy

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Re: Newbie question [message #1731753 is a reply to message #1731662]

Mon, 09 May 2016 20:56

Aniruddha Shevade

Messages: 14
Registered: July 2009

Junior Member

HI
I am seeing this when trying to compile the project, May be this is a better stack trace, that i see on the command prompt, when I use maven to build.

--- start of stack trace ----

[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 39.238 s
[INFO] Finished at: 2016-05-09T10:11:51-08:00
[INFO] Final Memory: 67M/297M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.
1:compile (default-compile) on project carnot-base: Compilation failure
[ERROR] /C:/web based clients/stardust_src/engine/stardust-engine-base/src/main/
java/org/eclipse/stardust/common/config/extensions/PojoExtensionsCache.java:[88,
72] incompatible types: java.lang.Object cannot be converted to T
[ERROR] -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal o
rg.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on p
roject carnot-base: Compilation failure
/C:/web based clients/stardust_src/engine/stardust-engine-base/src/main/java/org
/eclipse/stardust/common/config/extensions/PojoExtensionsCache.java:[88,72] inco
mpatible types: java.lang.Object cannot be converted to T

at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor
.java:212)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor
.java:153)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor
.java:145)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProje
ct(LifecycleModuleBuilder.java:108)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProje
ct(LifecycleModuleBuilder.java:76)
at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThre
adedBuilder.build(SingleThreadedBuilder.java:51)
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(Lifecycl
eStarter.java:116)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:361)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:155)
at org.apache.maven.cli.MavenCli.execute(MavenCli.java:584)
at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:213)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:157)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.
java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
sorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Laun
cher.java:289)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.jav
a:229)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(La
uncher.java:415)
at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:
356)
Caused by: org.apache.maven.plugin.compiler.CompilationFailureException: Compila
tion failure
/C:/web based clients/stardust_src/engine/stardust-engine-base/src/main/java/org
/eclipse/stardust/common/config/extensions/PojoExtensionsCache.java:[88,72] inco
mpatible types: java.lang.Object cannot be converted to T

at org.apache.maven.plugin.compiler.AbstractCompilerMojo.execute(Abstrac
tCompilerMojo.java:858)
at org.apache.maven.plugin.compiler.CompilerMojo.execute(CompilerMojo.ja
va:129)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(Default
BuildPluginManager.java:133)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor
.java:208)
... 19 more
[ERROR]
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please rea
d the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureExc
eption
[ERROR]
[ERROR] After correcting the problems, you can resume the build with the command

[ERROR] mvn <goals> -rf :carnot-base

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