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Hongtu Zang commented on CLOUDSTACK-2160: ----------------------------------------- It is cause by listNetwork In NetUtils.java getAllIpsFromCidr() will return all Ips in this cidr, it will get too much ips. I fixed it and the review request: https://reviews.apache.org/r/10750/ > add a huge size guest network will cause out of memory > ------------------------------------------------------ > > Key: CLOUDSTACK-2160 > URL: https://issues.apache.org/jira/browse/CLOUDSTACK-2160 > Project: CloudStack > Issue Type: Bug > Security Level: Public(Anyone can view this level - this is the > default.) > Components: Network Controller > Affects Versions: 4.0.2 > Environment: management server installed in centos 6.3 > Reporter: Hongtu Zang > Labels: guestnetwork, network, outofmemory > Fix For: 4.0.2 > > Original Estimate: 24h > Remaining Estimate: 24h > > navigate to network, select view "Guest Networks" > Add guest network > add a guest network with netmaks 255.0.0.0 > UI will hung for a while and returns error. > In log it will shows "java.lang.OutOfMemoryError: Java heap space" -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira