Important Notice - Forums is archived
To simplify things and help our users to be more productive, we have archived the current forum and focus our efforts on helping developers on Stack Overflow. You can post new questions on Stack Overflow or join our Discord channel.

TUTORIALVaadin lets you build secure, UX-first PWAs entirely in Java.
Vaadin lets you build secure, UX-first PWAs entirely in Java.
Free ebook & tutorial.
Calling javascript synchronously by Enver Haase, 2 weeks ago
How to build vaadin/gwt-polymer-elements/demo ?
Hi All,
I'm trying to build the demo, but I have some problems. Can anyone help?
E:\gwt-polymer-elements-master\demo>mvn clean package
[INFO] Scanning for projects...
[WARNING]
[WARNING] Some problems were encountered while building the effective model for com.vaadin.polymer:gwt-polymer-elements-demo:war:1.2.3.1-SNAPSHOT
[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-resources-plugin is missing. @ line 118, column 21
[WARNING]
[WARNING] It is highly recommended to fix these problems because they threaten the stability of your build.
[WARNING]
[WARNING] For this reason, future Maven versions might no longer support building such malformed projects.
[WARNING]
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building gwt-polymer-elements-demo 1.2.3.1-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ gwt-polymer-elements-demo ---
[INFO] Deleting E:\gwt-polymer-elements-master\demo\target
[INFO]
[INFO] --- maven-resources-plugin:2.6:copy-resources (copy-resources) @ gwt-polymer-elements-demo ---
[WARNING] File encoding has not been set, using platform encoding Cp1252, i.e. build is platform dependent!
[WARNING] Using platform encoding (Cp1252 actually) to copy filtered resources, i.e. build is platform dependent!
[INFO] Copying 4 resources
[INFO]
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ gwt-polymer-elements-demo ---
[WARNING] Using platform encoding (Cp1252 actually) to copy filtered resources, i.e. build is platform dependent!
[INFO] skip non existing resourceDirectory E:\gwt-polymer-elements-master\demo\src\main\resources
[INFO]
[INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ gwt-polymer-elements-demo ---
[INFO] Changes detected - recompiling the module!
[WARNING] File encoding has not been set, using platform encoding Cp1252, i.e. build is platform dependent!
[INFO] Compiling 39 source files to E:\gwt-polymer-elements-master\demo\target\classes
[INFO]
[INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ gwt-polymer-elements-demo ---
[WARNING] Using platform encoding (Cp1252 actually) to copy filtered resources, i.e. build is platform dependent!
[INFO] skip non existing resourceDirectory E:\gwt-polymer-elements-master\demo\src\test\resources
[INFO]
[INFO] --- maven-compiler-plugin:3.1:testCompile (default-testCompile) @ gwt-polymer-elements-demo ---
[INFO] No sources to compile
[INFO]
[INFO] --- maven-surefire-plugin:2.12.4:test (default-test) @ gwt-polymer-elements-demo ---
[INFO] No tests to run.
[INFO]
[INFO] --- gwt-maven-plugin:2.7.0:compile (default) @ gwt-polymer-elements-demo ---
[INFO] auto discovered modules [com.vaadin.polymer.demo.Demo]
[b][ERROR] Unknown argument: -XclosureCompiler
[ERROR] Google Web Toolkit 2.8.0-SNAPSHOT
[ERROR] Compiler [-logLevel (ERROR|WARN|INFO|TRACE|DEBUG|SPAM|ALL)] [-workDir dir] [-X[no]closureFormattedOutput] [-[no]compileReport] [-X[no]checkCasts] [-X[no]classMetadata] [-[no]draftCompile] [-[no]checkAssertions] [-XfragmentCount numFragments] [-XfragmentMerge numFragments] [-gen dir] [-[no]generateJsInteropExports] [-XmethodNameDisplayMode (NONE|ONLY_METHOD_NAME|ABBREVIATED|FULL)] [-Xnamespace (NONE|PACKAGE)] [-optimize level] [-[no]saveSource] [-setProperty name=value,value...] [-style (DETAILED|OBFUSCATED|PRETTY)] [-[no]failOnError] [-[no]validateOnly] [-sourceLevel [auto, 1.8]] [-localWorkers count] [-[no]incremental] [-war dir] [-deploy dir] [-extra dir] [-saveSourceOutput dir] module
[s][ERROR]
[ERROR] where
[ERROR] -logLevel The level of logging detail: ERROR, WARN, INFO, TRACE, DEBUG, SPAM or ALL (defaults to INFO)
[ERROR] -workDir The compiler's working directory for internal use (must be writeable; defaults to a system temp dir)
[ERROR] -X[no]closureFormattedOutput EXPERIMENTAL: Enables Javascript output suitable for post-compilation by Closure Compiler (defaults to OFF)
[ERROR] -[no]compileReport Compile a report that tells the "Story of Your Compile". (defaults to OFF)
[ERROR] -X[no]checkCasts EXPERIMENTAL: DEPRECATED: use jre.checks.checkLevel instead. (defaults to OFF)
[ERROR] -X[no]classMetadata EXPERIMENTAL: Include metadata for some java.lang.Class methods (e.g. getName()). (defaults to OFF)
[ERROR] -[no]draftCompile Compile quickly with minimal optimizations. (defaults to OFF)
[ERROR] -[no]checkAssertions Include assert statements in compiled output. (defaults to OFF)
[ERROR] -XfragmentCount EXPERIMENTAL: Limits of number of fragments using a code splitter that merges split points.
[ERROR] -XfragmentMerge DEPRECATED (use -XfragmentCount instead): Enables Fragment merging code splitter.
[ERROR] -gen Debugging: causes normally-transient generated types to be saved in the specified directory
[ERROR] -[no]generateJsInteropExports Generate exports for JsInterop purposes (defaults to OFF)
[ERROR] -XmethodNameDisplayMode EXPERIMENTAL: Specifies method display name mode for chrome devtools: NONE, ONLY_METHOD_NAME, ABBREVIATED or FULL (defaults to NONE)
[ERROR] -Xnamespace Puts most JavaScript globals into namespaces. Default: PACKAGE for -draftCompile, otherwise NONE
[ERROR] -optimize Sets the optimization level used by the compiler. 0=none 9=maximum.
[ERROR] -[no]saveSource Enables saving source code needed by debuggers. Also see -debugDir. (defaults to OFF)
[ERROR] -setProperty Set the values of a property in the form of propertyName=value1[,value2...].
[ERROR] -style Script output style: DETAILED, OBFUSCATED or PRETTY (defaults to OBFUSCATED)
[ERROR] -[no]failOnError Fail compilation if any input file contains an error. (defaults to OFF)
[ERROR] -[no]validateOnly Validate all source code, but do not compile. (defaults to OFF)
[ERROR] -sourceLevel Specifies Java source level (defaults to 1.8)
[ERROR] -localWorkers The number of local workers to use when compiling permutations
[ERROR] -[no]incremental Compiles faster by reusing data from the previous compile. (defaults to OFF)
[ERROR] -war The directory into which deployable output files will be written (defaults to 'war')
[ERROR] -deploy The directory into which deployable but not servable output files will be written (defaults to 'WEB-INF/deploy' under the -war directory/jar, and may be the same as the -extra directory/jar)
[ERROR] -extra The directory into which extra files, not intended for deployment, will be written
[ERROR] -saveSourceOutput Overrides where source files useful to debuggers will be written. Default: saved with extras.
[ERROR] and
[ERROR] module[s] Specifies the name(s) of the module(s) to compile
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 5.057 s
[INFO] Finished at: 2016-07-01T14:29:47-03:00
[INFO] Final Memory: 27M/267M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.codehaus.mojo:gwt-maven-plugin:2.7.0:compile (default) on project gwt-polymer-elements-demo: Command [[
[ERROR] C:\Program Files\Java\jdk1.8.0_51\jre\bin\java -Xmx512m -classpath E:\gwt-polymer-elements-master\demo\target\classes;E:\gwt-polymer-elements-master\demo\src\main\java;C:\Users\retf\.m2\repository\com\google\gwt\gwt-user\2.8.0-SNAPSHOT\gwt-user-2.8.0-SNAPSHOT.jar;C:\Users\retf\.m2\repository\com\google\jsinterop\jsinterop-annotations\1.0.0-SNAPSHOT\jsinterop-annotations-1.0.0-SNAPSHOT.jar;C:\Users\retf\.m2\repository\com\google\jsinterop\jsinterop-annotations\1.0.0-SNAPSHOT\jsinterop-annotations-1.0.0-SNAPSHOT-sources.jar;C:\Users\retf\.m2\repository\javax\validation\validation-api\1.0.0.GA\validation-api-1.0.0.GA.jar;C:\Users\retf\.m2\repository\javax\validation\validation-api\1.0.0.GA\validation-api-1.0.0.GA-sources.jar;C:\Users\retf\.m2\repository\com\google\gwt\gwt-codeserver\2.8.0-SNAPSHOT\gwt-codeserver-2.8.0-SNAPSHOT.jar;C:\Users\retf\.m2\repository\com\google\gwt\gwt-dev\2.8.0-SNAPSHOT\gwt-dev-2.8.0-SNAPSHOT.jar;C:\Users\retf\.m2\repository\com\google\code\gson\gson\2.6.2\gson-2.6.2.jar;C:\Users\retf\.m2\repository\org\ow2\asm\asm\5.0.3\asm-5.0.3.jar;C:\Users\retf\.m2\repository\org\ow2\asm\asm-util\5.0.3\asm-util-5.0.3.jar;C:\Users\retf\.m2\repository\org\ow2\asm\asm-tree\5.0.3\asm-tree-5.0.3.jar;C:\Users\retf\.m2\repository\org\ow2\asm\asm-commons\5.0.3\asm-commons-5.0.3.jar;C:\Users\retf\.m2\repository\org\eclipse\jetty\websocket\websocket-client\9.2.14.v20151106\websocket-client-9.2.14.v20151106.jar;C:\Users\retf\.m2\repository\org\eclipse\jetty\jetty-util\9.2.14.v20151106\jetty-util-9.2.14.v20151106.jar;C:\Users\retf\.m2\repository\org\eclipse\jetty\jetty-io\9.2.14.v20151106\jetty-io-9.2.14.v20151106.jar;C:\Users\retf\.m2\repository\org\eclipse\jetty\websocket\websocket-common\9.2.14.v20151106\websocket-common-9.2.14.v20151106.jar;C:\Users\retf\.m2\repository\org\eclipse\jetty\websocket\websocket-api\9.2.14.v20151106\websocket-api-9.2.14.v20151106.jar;C:\Users\retf\.m2\repository\org\eclipse\jetty\jetty-webapp\9.2.14.v20151106\jetty-webapp-9.2.14.v20151106.jar;C:\Users\retf\.m2\repository\org\eclipse\jetty\jetty-xml\9.2.14.v20151106\jetty-xml-9.2.14.v20151106.jar;C:\Users\retf\.m2\repository\org\eclipse\jetty\jetty-servlet\9.2.14.v20151106\jetty-servlet-9.2.14.v20151106.jar;C:\Users\retf\.m2\repository\org\eclipse\jetty\jetty-security\9.2.14.v20151106\jetty-security-9.2.14.v20151106.jar;C:\Users\retf\.m2\repository\org\eclipse\jetty\jetty-servlets\9.2.14.v20151106\jetty-servlets-9.2.14.v20151106.jar;C:\Users\retf\.m2\repository\org\eclipse\jetty\jetty-continuation\9.2.14.v20151106\jetty-continuation-9.2.14.v20151106.jar;C:\Users\retf\.m2\repository\org\eclipse\jetty\jetty-http\9.2.14.v20151106\jetty-http-9.2.14.v20151106.jar;C:\Users\retf\.m2\repository\org\eclipse\jetty\jetty-annotations\9.2.14.v20151106\jetty-annotations-9.2.14.v20151106.jar;C:\Users\retf\.m2\repository\org\eclipse\jetty\jetty-plus\9.2.14.v20151106\jetty-plus-9.2.14.v20151106.jar;C:\Users\retf\.m2\repository\org\eclipse\jetty\jetty-jndi\9.2.14.v20151106\jetty-jndi-9.2.14.v20151106.jar;C:\Users\retf\.m2\repository\javax\annotation\javax.annotation-api\1.2\javax.annotation-api-1.2.jar;C:\Users\retf\.m2\repository\org\eclipse\jetty\apache-jsp\9.2.14.v20151106\apache-jsp-9.2.14.v20151106.jar;C:\Users\retf\.m2\repository\org\eclipse\jetty\jetty-server\9.2.14.v20151106\jetty-server-9.2.14.v20151106.jar;C:\Users\retf\.m2\repository\org\eclipse\jetty\toolchain\jetty-schemas\3.1.M0\jetty-schemas-3.1.M0.jar;C:\Users\retf\.m2\repository\javax\servlet\javax.servlet-api\3.1.0\javax.servlet-api-3.1.0.jar;C:\Users\retf\.m2\repository\org\mortbay\jasper\apache-jsp\8.0.9.M3\apache-jsp-8.0.9.M3.jar;C:\Users\retf\.m2\repository\org\mortbay\jasper\apache-el\8.0.9.M3\apache-el-8.0.9.M3.jar;C:\Users\retf\.m2\repository\com\vaadin\polymer\vaadin-gwt-polymer-elements\1.2.3.1-SNAPSHOT\vaadin-gwt-polymer-elements-1.2.3.1-SNAPSHOT.jar;C:\Users\retf\.m2\repository\com\googlecode\gwtquery\gwtquery\1.4.4-SNAPSHOT\gwtquery-1.4.4-SNAPSHOT.jar;C:\Users\retf\.m2\repository\com\google\gwt\gwt-user\2.7.0\gwt-user-2.7.0.jar;C:\Users\retf\.m2\repository\javax\validation\validation-api\1.0.0.GA\validation-api-1.0.0.GA.jar;C:\Users\retf\.m2\repository\javax\validation\validation-api\1.0.0.GA\validation-api-1.0.0.GA-sources.jar;C:\Users\retf\.m2\repository\com\google\gwt\gwt-dev\2.7.0\gwt-dev-2.7.0.jar;C:\Users\retf\.m2\repository\org\ow2\asm\asm\5.0.3\asm-5.0.3.jar;C:\Users\retf\.m2\repository\org\ow2\asm\asm-util\5.0.3\asm-util-5.0.3.jar;C:\Users\retf\.m2\repository\org\ow2\asm\asm-tree\5.0.3\asm-tree-5.0.3.jar;C:\Users\retf\.m2\repository\org\ow2\asm\asm-commons\5.0.3\asm-commons-5.0.3.jar com.google.gwt.dev.Compiler -logLevel INFO -style OBF -war E:\gwt-polymer-elements-master\demo\target\gwt-polymer-demo -localWorkers 4 -XnoclassMetadata -XnocheckCasts -XclosureCompiler -XfragmentCount -1 -sourceLevel 1.8 -optimize 9 -gen E:\gwt-polymer-elements-master\demo\target\.generated com.vaadin.polymer.demo.Demo
[ERROR] ]] failed with status 1
[ERROR] -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[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 read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException
E:\gwt-polymer-elements-master\demo>[/s][/s][/b]
Last updated on
Hi Renato,
Check if enableClosureCompiler is active, if so, set it to false.
Last updated on
You cannot reply to this thread.