eclipse升级后启动失败：Heap堆内存不足

本来打算从Eclipse（2020-06）更新一下（2021-03），没想到升级成后Eclipse启动不了，错误日志如下：

!SESSION 2021-06-16 17:03:13.186 -----------------------------------------------
eclipse.buildId=4.19.0.I20210303-1800
java.version=11.0.6
java.vendor=Oracle Corporation
BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US
Framework arguments:  -product org.eclipse.epp.package.cpp.product
Command-line arguments:  -os linux -ws gtk -arch x86_64 -product org.eclipse.epp.package.cpp.product

!ENTRY org.eclipse.osgi 4 0 2021-06-16 17:24:45.916
!MESSAGE Startup error
!STACK 1
java.lang.OutOfMemoryError: Java heap space
        at java.base/java.util.concurrent.locks.AbstractQueuedSynchronizer.addWaiter(AbstractQueuedSynchronizer.java:651)
        at java.base/java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedNanos(AbstractQueuedSynchronizer.java:1060)
        at java.base/java.util.concurrent.locks.AbstractQueuedSynchronizer.tryAcquireSharedNanos(AbstractQueuedSynchronizer.java:1369)
        at java.base/java.util.concurrent.Semaphore.tryAcquire(Semaphore.java:415)
        at org.eclipse.core.runtime.adaptor.EclipseStarter.updateSplash(EclipseStarter.java:1190)
        at org.eclipse.core.runtime.adaptor.EclipseStarter.setStartLevel(EclipseStarter.java:1145)
        at org.eclipse.core.runtime.adaptor.EclipseStarter.startup(EclipseStarter.java:345)
        at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:251)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:566)
        at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:653)
        at org.eclipse.equinox.launcher.Main.basicRun(Main.java:590)
        at org.eclipse.equinox.launcher.Main.run(Main.java:1461)
        at org.eclipse.equinox.launcher.Main.main(Main.java:1434)

解决：修改 eclipse.ini
更改 -Xmx521m 为 -Xmx3g