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Upgrade from Glassfish 2.1 to 2.1.1
For some reasons the asupgrade tool from Sun Glassfish doesn’t work if you want to upgrade your Glassfish from 2.1 to 2.1.1. The upgrade method what I will present you in the next post, probably, is...
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Java networking problems in Debian squeeze/sid
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...
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Glassfish Cluster 2.1.1, HttpSessions replication and multi-thread concurrent...
I have several clusters with Glassfish 2.1.1 in a BIG virtual environment and all worked fine … until I add new processors to this clusters. After upgrade, I started to have problems with HttpSession...
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sun.jvm.hotspot.debugger.NoSuchSymbolException: Could not find symbol...
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...
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Snmp support for Glassfish 2.1.1 (with cluster support)
Why you choose SNMP when Glassfish have strong JMX support? I presume, the answer for all who use SNMP is (almost) the same: Because the architecture of current monitoring solution is not scalable...
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Glassfish Enhanced Broker Cluster and “Failed to load JDBC driver”
Is not a bug, but a pretty annoying configuration thing which appear when you try to configure Enhanced Broker Cluster in Glassfish. I configured my persistent store, for Enhanced Broker Cluster, as...
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Installing a Glassfish 3.1 Cluster on Debian 6.0 only from command line
Finlay is here. For me, Glassfish 3.1, was one of most awaited piece of software, for all it’s new features and clustering support. Glassfish 3.1 slightly changed the way to install cluster, in a much...
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HTTP transport error: javax.net.ssl.SSLHandshakeException:...
I switched all my Java Glassfish webservices to SSL, because I wanted to have an encrypted communication between me and my clients. Until then, all my applications worked flawlessly over the HTTP...
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User [admin] from host null does not have administration access
I should admit, I didn’t read the Glassfish 3.1 Administration Manual, and I don’t know if this is documented. Anyway the main problem appeared when I tried to connect on my cluster instances with...
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Glassfish 3.1.1 workaround for Denial of Service through hash table...
This is an old bug, first discovered in 2003, but now was applied to the hash table functions from the new programming languages. The main idea behind this bug is to create hashes which collide,...
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