Andrey Mikhalchuk's Blog

Port mapping is a great feature that allows you to make almost any remote network service to work like it is running on your computer. Most people use specialized software to make it work, however there is a built-it Windows command that allows you to do exactly the same thing….

Subj,
It’s buggy and misleading. You will do better by installing Oracle Virtualbox (free) with Linux (free) and running valgrind (free) in the virtual machine.

It looks like not many people know about this, but Oracle actually has two business rule engines. One is called OBR (Oracle Business Rules) and it is bundled with SOA suite. The other one has less meaningful name OPA (Oracle Policy Automation) and at the first glace serves totally different…

I’m working on multiple machines under multiple accounts on the same project and using git to sync between the codebases. The program by its nature has to run under root account, so no wonder at some point permissions got screwed up and I’ve got stuck with this error:

! [remote…

I’m working on my next cool project (subscribe to RTFMS.com to find out details) and got stuck with an interesting problem. Here is a fragment of my Makefile:

…
SOURCES := $(wildcard *.c)
…
%.o: %.c %.h
$(I_CC) $(I_CCFLAGS) -c $< ... When I run make clean;make the output is following: gcc -g -I. -I/usr/include -c 1.c gcc...

Oracle Policy Automation is a great tool for maintaining all your business logic in a word file instead of the app source code. In one of my projects I needed a business-analyst-friendly interface for changing business logic in a business process. Regular Oracle Business Rules work fine for up to…

weblogic comes with default demo keystore called DemoTrust.jks with the password “DemoTrustKeyStorePassPhrase”. The standard Java keystore’s password is “changeit”. The passwords are used to check the keystore integrity when you modify it.

I just spent quite some time fixing pop3 for UMS email driver in Oracle SOA suite. The problem was with the Human Task actionable emails. I was receiving the emails just fine, but when I was hitting reply no action was being taken on the sever side. Quick glance at…

Recently I was in need to move Oracle BAM configuration from one environment to another. Here are a few helpful commands:
On the source machine

> locate icommand # where icommand lives depends on your installation. Make sure find-utils are installed and updatedb had been ran.

This will export your report

I actually ran into this problem after upgrading to Mountain Lion )(I think Lion has the same issue) and trying to run xterm on remote machine using ssh tunneling. No matter what I did the command always failed with

Warning: This program is an suid-root program or is being run by…

I have just spent several hours narrowing down the problem, 30 useless minutes with someone in Verizon chat support and 20 min on the phone line. All the time was wasted just to find out that Verizon is blocking outgoing connections to port 25. That basically means that you can’t…