Help in building jar file of RapidMiner

ajrisalvadorajrisalvador Member Posts: 7 Contributor I
edited March 28 in Help
Good day, I'm a relatively new to Java, git, and Gradle. I want to use RapidMiner in Netbeans for a Thesis Prototype.

When I try to build the jar file of RapidMiner, I get this error:

C:\rapidminer-studio-core>gradlew jar
Downloading ..............................................................................................................................
Unzipping C:\Users\desktop-pc\.gradle\wrapper\dists\gradle-5.3-all\a2o9bs8pjyp10tdbmwhtqkmvn\gradle-5.3-all.zip to C:\Users\desktop-pc\.gradle\wrapper\dists\gradle-5.3-all\a2o9bs8pjyp10tdbmwhtqkmvn
Starting a Gradle Daemon, 1 incompatible Daemon could not be reused, use --status for details
FAILURE: Build failed with an exception.
* Where:Build file 'C:\rapidminer-studio-core\build.gradle' line: 12
* What went wrong:A problem occurred evaluating root project 'rapidminer-studio-core'. >Failed to apply plugin [id 'com.rapidminer.java-basics']    > Could not find method leftShift() for arguments [com.rapidm[email protected]ae214d4] on task ':updateTestTimestamps' of type org.gradle.api.DefaultTask.
* Try:Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
* Get more help at
BUILD FAILED in 4m 23s

What I've tried so far:
  • Edit the gradle-wrapper.properties and set distributionUrl=https\://services.gradle.org/distributions/gradle-5.3-all.zip
  • Downgrade to JDK 1.8

Immediate help is needed. Thanks!

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Best Answer

  • ajrisalvadorajrisalvador Posts: 7 Contributor I
    Solution Accepted
    I solved it by:

    Downgrading to JDK 1.8
    AND
    Edit the gradle-wrapper.properties and set distributionUrl=https\://services.gradle.org/distributions/gradle-4.0.1-bin.zip
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