There has some configuration item which install [ojdbc
jar](https://github.com/adriancole/incubator-skywalking/blob/mvn-wrapper/pom.xml#L450)
and [resin
jar](https://github.com/adriancole/incubator-skywalking/blob/mvn-wrapper/pom.xml#L450)
in `pom.xml`, Is there execute command need to change to `./mvnw` command?
BTW, I found that I execute `./mvnw install` command with error message and
execute `./mvnw install -Dmaven.test.skip` without error message in my local
environment, Is there same problem in your environment, if not, I will recheck
my environment. Here is the error logs:
```
[ERROR] Failed to execute goal
org.apache.maven.plugins:maven-surefire-plugin:2.20.1:test (default-test) on
project apm-util: Execution default-test of goal
org.apache.maven.plugins:maven-surefire-plugin:2.20.1:test failed.:
NullPointerException -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal
org.apache.maven.plugins:maven-surefire-plugin:2.20.1:test (default-test) on
project apm-util: Execution default-test of goal
org.apache.maven.plugins:maven-surefire-plugin:2.20.1:test failed.
at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:213)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:154)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:146)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject
(LifecycleModuleBuilder.java:117)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject
(LifecycleModuleBuilder.java:81)
at
org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build
(SingleThreadedBuilder.java:56)
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute
(LifecycleStarter.java:128)
....
Caused by: java.lang.NullPointerException
at
org.apache.maven.surefire.shade.org.apache.commons.lang3.SystemUtils.isJavaVersionAtLeast
(SystemUtils.java:1626)
at org.apache.maven.plugin.surefire.AbstractSurefireMojo.getEffectiveJvm
(AbstractSurefireMojo.java:2107)
at
org.apache.maven.plugin.surefire.AbstractSurefireMojo.getForkConfiguration
(AbstractSurefireMojo.java:1976)
at org.apache.maven.plugin.surefire.AbstractSurefireMojo.executeProvider
(AbstractSurefireMojo.java:1111)
at
org.apache.maven.plugin.surefire.AbstractSurefireMojo.executeAfterPreconditionsChecked
(AbstractSurefireMojo.java:954)
at org.apache.maven.plugin.surefire.AbstractSurefireMojo.execute
(AbstractSurefireMojo.java:832)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo
(DefaultBuildPluginManager.java:137)
```
[ Full content available at:
https://github.com/apache/incubator-skywalking/pull/1569 ]
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