Quartos Prime Pro 19.04 on Ububtu 16.04 LTS - Eclipse crashes on startup "free(): invalid pointer" - Quartos Prime Pro 19.04 on Ububtu 16.04 LTS - Eclipse crashes on startup "free(): invalid pointer" Hi All, I installed Quartos Prime Pro 19.4 on Ububtu 16.04 LTS. When i run Eclipse, i getting the next Error: OpenJDK 64-Bit Server VM warning: ignoring option MaxPermSize=256m; support was removed in 8.0 *** Error in `/home/kratos-emi-sw/intelFPGA_pro/19.4/quartus//linux64/jre64/bin/java': free(): invalid pointer: 0x00007f582e37dd60 *** i am waiting for help Thanks, Tamir Replies: Re: Quartos Prime Pro 19.04 on Ububtu 16.04 LTS - Eclipse crashes on startup "free(): invalid pointer" Thank you very much, it's solved my problem! Tamir Replies: Re: Quartos Prime Pro 19.04 on Ububtu 16.04 LTS - Eclipse crashes on startup "free(): invalid pointer" Hi I have a similar error, my solution was to replace Quartus java engine with Java 8 It must be java 8 The following workaround seems to work, it essentially replace Quartus included java engine with Java 8 cd ..../intelFPGA/20.1/quartus/linux64 mv jre64 jre64_old ln -s /lib/jvm/java-1.8.0-openjdk-amd64/jre jre64 the path to Java 8 jre might be machine specific, mine is at least placed there