[英]How to fix the “main class not found” error if classpath is set?
我具有以下Java應用程序結構:
GoodManagement
goodmanagement
goodmanagement.GoodManagementLauncher
我在Windows上使用NetBeans構建應用程序。 在Windows上啟動時,應用程序可以完美啟動。 這同樣適用於在Windows上啟動jar。
將jar復制到Raspberry Pi 2(適用於ARM32 v7的Oracle JDK 8)上的Ubuntu Mate時,無法使用java -jar GoodManagement.jar
啟動jar。 它告訴我找不到或加載主類。
我嘗試了以下操作,但未成功:
CLASSPATH
變量( $CLASSPATH
)。 那么,如何在Ubuntu上啟動我的應用程序呢?
EDIT1:用於構建應用程序的輸出:
ant -f D:\\Documents\\Fachschaft\\GoodManagement\\GoodManagement jfx-rebuild
init:
deps-clean:
Updating property file: D:\Documents\Fachschaft\GoodManagement\GoodManagement\build\built-clean.properties
Deleting directory D:\Documents\Fachschaft\GoodManagement\GoodManagement\build
clean:
init:
deps-jar:
Created dir: D:\Documents\Fachschaft\GoodManagement\GoodManagement\build
Updating property file: D:\Documents\Fachschaft\GoodManagement\GoodManagement\build\built-jar.properties
Created dir: D:\Documents\Fachschaft\GoodManagement\GoodManagement\build\classes
Created dir: D:\Documents\Fachschaft\GoodManagement\GoodManagement\build\empty
Created dir: D:\Documents\Fachschaft\GoodManagement\GoodManagement\build\generated-sources\ap-source-output
Compiling 39 source files to D:\Documents\Fachschaft\GoodManagement\GoodManagement\build\classes
Note: Some input files use unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
Copying 12 files to D:\Documents\Fachschaft\GoodManagement\GoodManagement\build\classes
compile:
Created dir: D:\Documents\Fachschaft\GoodManagement\GoodManagement\dist
Detected JavaFX Ant API version 1.3
Launching <fx:jar> task from C:\Program Files\Java\jdk1.8.0_51\jre\..\lib\ant-javafx.jar
Warning: From JDK7u25 the Codebase manifest attribute should be used to restrict JAR repurposing.
Please set manifest.custom.codebase property to override the current default non-secure value '*'.
Launching <fx:deploy> task from C:\Program Files\Java\jdk1.8.0_51\jre\..\lib\ant-javafx.jar
jfx-deployment-script:
jfx-deployment:
jar:
jfx-rebuild:
BUILD SUCCESSFUL (total time: 6 seconds)
現在清單文件:
Manifest-Version: 1.0
Implementation-Title: GoodManagement
Implementation-Version: 1.0
Permissions: sandbox
Codebase: *
JavaFX-Version: 8.0
Class-Path:
Created-By: JavaFX Packager
Implementation-Vendor: Daniel
Main-Class: goodmanagement.GoodManagementLauncher
問題是我試圖在不支持JavaFX的VM(arm32 jdk1.8.60)中運行JavaFX應用程序。 嘗試編譯源代碼時,我發現編譯器無法找到JavaFX類。
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