Unable to start 32-bit javaws on OEL 4.8 x64.
This failure is specific to OEL 4.8, all ok on Rhel 4.8.
Unable to run tck-jnlp suite due to this.

$ jdk1.6.0_20/bin/java -version
java version "1.6.0_20-rev"
Java(TM) Platform, Standard Edition for Business (build 1.6.0_20-rev-b06)
Java HotSpot(TM) Server VM (build 16.3-b04, mixed mode)

$ jdk1.6.0_20/bin/javaws -viewer
$ Exception in thread "main" java.lang.UnsatisfiedLinkError: com.sun.deploy.config.UnixConfig.getPlatformMaxCommandLineLength()I
at com.sun.deploy.config.UnixConfig.getPlatformMaxCommandLineLength(Native Method)
at com.sun.deploy.config.Config.<clinit>(Config.java:851)
at com.sun.jnlp.JNLPClassLoader.createClassLoader(JNLPClassLoader.java:169)
at com.sun.javaws.Main.main(Main.java:85)

Enterprise Linux Enterprise Linux AS release 4 (October Update 8)
Red Hat Enterprise Linux AS release 4 (Nahant Update 8)