普元 EOS Platform 7.6 打开Studio时闪退，.metadata/.log中报错：java.lang.NullPointerException

【问题】

EOS Platform 7.6 打开Studio时闪退，.metadata/.log中报错：

!ENTRY org.eclipse.ui.workbench 4 2 2018-07-31 09:24:01.624
!MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.ui.workbench".
!STACK 0
java.lang.ExceptionInInitializerError
 at java.lang.Class.forName0(Native Method)
 at java.lang.Class.forName(Class.java:171)
 at com.primeton.studio.compatible.database.loader.DBModelElementLoaderManager.replaceLoader(DBModelElementLoaderManager.java:85)
 at com.primeton.studio.compatible.database.loader.DBModelElementLoaderManager.replaceLoader(DBModelElementLoaderManager.java:72)
 at com.primeton.studio.compatible.database.loader.DBModelElementLoaderManager.loadExtension(DBModelElementLoaderManager.java:53)
 ......
Caused by: java.lang.NullPointerException
 at org.eclipse.datatools.connectivity.sqm.core.util.CatalogLoaderOverrideManager$LoaderDetails.<init>(CatalogLoaderOverrideManager.java:200)
 at org.eclipse.datatools.connectivity.sqm.core.util.CatalogLoaderOverrideManager.loadExtensions(CatalogLoaderOverrideManager.java:78)
 at org.eclipse.datatools.connectivity.sqm.core.util.CatalogLoaderOverrideManager.<init>(CatalogLoaderOverrideManager.java:54)
 at org.eclipse.datatools.connectivity.sqm.core.util.CatalogLoaderOverrideManager.<clinit>(CatalogLoaderOverrideManager.java:38)
 ... 13 more

【解答】

解决方案供参考：删除 .metadata/.plugins/org.eclipse.e4.workbench 目录后，重新打开Studio正常，方案详情参见：https://blog.csdn.net/w6028819321/article/details/24105351