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Bugs, Featured, Headline, Ruby, vmware »

[21 Feb 2013 | 2 Comments | ]

I finished my Chef Recipes and obviously next step is to create and bootstrap VMware virtual machines directly from scripts. I started to test 2 knife plugins knife-esx and knife-vsphere. Quickly I dropped knife-esx solution, because was based on ssh access to the ESX host and we, “the common people”, don’t have rights on that machine. A little bit about my ESX environment: Is an environment with multiple datacenters, multiple clusters, hundreds of virtual machines. On this environment I don’t have full access and requesting one, it takes weeks/months …

Bugs, Debian, Java, Kernel, Linux »

[8 Feb 2011 | 2 Comments | ]

This, probably, is a bug which was not spotted very often because is very obscure and the Debian guys moved very quick and fixed the problem. I know, I found a lot of bugs related to sun.jvm.hotspot.debugger.NoSuchSymbolException: Could not find symbol “gHotSpotVMTypeEntryTypeNameOffset”, but this is different. Usually was a problem of “striping symbols from libjvm.so”, but in my case wasn’t that. Also I found this error related to OpenJDK (I use Sun JDK) and the solution was to use -server flag to get the correct libjvm.so. Anyway it took me …

Bugs, Debian, Java, Linux, Shell »

[16 Feb 2010 | One Comment | ]

After upgrading to the latest version of Debian squeeze/sid, I was not able to use the networking in java.
If you get:
[2/16/10 10:39 AM] Exception occurred:
java.net.SocketException: Network is unreachable
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
at java.net.Socket.connect(Socket.java:525)

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Bugs, Featured, Headline, Recovery, vmware »

[22 Oct 2009 | 3 Comments | ]

After successfully install of ESXi 3.5 server, my datastore1 disappeared unexpectedly after first or second reboot. Is possible to be because of my “hacks” in “Advanced Settings”, but I’m not very sure about that. Looking in /var/log/messages I spotted some very strange errors:

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Apache, Bugs, Debian, Featured, Glassfish, Headline, How-to, Java, Linux, Shell, Tuning »

[28 Sep 2009 | One Comment | ]

A lot of people are not satisfied by the default Java Logging (JUL) in Glassfish. Also, myself I encountered some problems on clustered environments where we should have one single log and not one log for each instance. Trying to change the logging system in Glassfish it looks to be almost impossible , but I found a very interesting project java.util.logging to log4j Bridge and the sky become more clear for Glassfish logging. Jul to Log4J Bridge are part of log4J project and is very useful when you …