Tag Archives: j2ee

Generic Types in Java 1.5

Generics are very useful Java language feature introduced in Java 1.5. Starting from 1.5 you can statically declare expected types of objects inside collections and compiler will enforce this assumption during compilation: Map<String, BankAccount> bankAccounts = new HashMap<String, BankAccount>(); bankAccounts.put("a1", … Continue reading

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Static Verification for J2EE-Based Software

J2EE is a set of Java-based technologies used to build applications accessible over the network. Flexibility and the ability to configure, based mainly on XML files, leads to the fact that more and more errors are beyond the control of … Continue reading

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libxpcom.so: cannot open shared object file: No such file or directory

When opening JSP file in visual mode in Eclipse (Websphere Integrated Developer 6.1.2) I'm getting the following error (under Debian Lenny): Caused by: java.lang.UnsatisfiedLinkError: /opt/IBM/WID61/configuration/org.eclipse.osgi/bundles/2374/1/.cp/libswt-mozilla-gtk-3236.so (libxpcom.so: cannot open shared object file: No such file or directory) I checked for shared … Continue reading

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Weryfikacja Statyczna w J2EE

J2EE to w uproszczeniu zbiór technologii opartych o Javę służących do tworzenia aplikacji dostępnych przez sieć. Elastyczność i możliwość konfiguracji, oparta w głównej mierze na plikach XML, prowadzi do tego, że coraz więcej błędów znajduje się poza kontrolą kompilatora. W … Continue reading

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