ssh-slaves fails to launch because JDKInstaller. See below the output.

[08/12/11 14:01:32] [SSH] Checking java version of /usr/bin/java
Couldn't figure out the Java version of /usr/bin/java
bash: /usr/bin/java: No such file or directory

[08/12/11 14:01:32] [SSH] Checking java version of /usr/java/default/bin/java
Couldn't figure out the Java version of /usr/java/default/bin/java
bash: /usr/java/default/bin/java: No such file or directory

[08/12/11 14:01:32] [SSH] Checking java version of /usr/java/latest/bin/java
Couldn't figure out the Java version of /usr/java/latest/bin/java
bash: /usr/java/latest/bin/java: No such file or directory

[08/12/11 14:01:32] [SSH] Checking java version of /usr/local/bin/java
Couldn't figure out the Java version of /usr/local/bin/java
bash: /usr/local/bin/java: No such file or directory

[08/12/11 14:01:32] [SSH] Checking java version of /usr/local/java/bin/java
Couldn't figure out the Java version of /usr/local/java/bin/java
bash: /usr/local/java/bin/java: No such file or directory

[08/12/11 14:01:32] [SSH] Checking java version of /hudson/jdk/bin/java
Couldn't figure out the Java version of /hudson/jdk/bin/java
bash: /hudson/jdk/bin/java: No such file or directory

Linux cu003.h.sp.collab.net 2.6.18-194.el5PAE #1 SMP Fri Apr 2 15:37:44 EDT 2010 i686 i686 i386 GNU/Linux
Installing JDK jdk-6u16-oth-JPR@CDS-CDS_Developer
Downloading JDK from http://download.oracle.com/otn/java/jdk/6u16-b01//jdk-6u16-linux-i586.bin
ERROR: Unexpected error in launching a slave. This is probably a bug in Hudson.
java.lang.OutOfMemoryError: Java heap space
at org.apache.commons.io.output.ByteArrayOutputStream.toByteArray(ByteArrayOutputStream.java:271)
at org.apache.commons.io.IOUtils.toByteArray(IOUtils.java:219)
at com.gargoylesoftware.htmlunit.WebResponseData.getBody(WebResponseData.java:133)
at com.gargoylesoftware.htmlunit.WebResponseData.<init>(WebResponseData.java:86)
at com.gargoylesoftware.htmlunit.HttpWebConnection.newWebResponseDataInstance(HttpWebConnection.java:443)
at com.gargoylesoftware.htmlunit.HttpWebConnection.makeWebResponse(HttpWebConnection.java:423)
at com.gargoylesoftware.htmlunit.HttpWebConnection.getResponse(HttpWebConnection.java:100)
at com.gargoylesoftware.htmlunit.WebClient.loadWebResponseFromWebConnection(WebClient.java:1456)
at com.gargoylesoftware.htmlunit.WebClient.loadWebResponse(WebClient.java:1387)
at com.gargoylesoftware.htmlunit.WebClient.loadWebResponseFromWebConnection(WebClient.java:1513)
at com.gargoylesoftware.htmlunit.WebClient.loadWebResponse(WebClient.java:1387)
at com.gargoylesoftware.htmlunit.WebClient.loadWebResponseFromWebConnection(WebClient.java:1513)
at com.gargoylesoftware.htmlunit.WebClient.loadWebResponse(WebClient.java:1387)
at com.gargoylesoftware.htmlunit.WebClient.loadWebResponseFromWebConnection(WebClient.java:1513)
at com.gargoylesoftware.htmlunit.WebClient.loadWebResponse(WebClient.java:1387)
at com.gargoylesoftware.htmlunit.WebClient.loadWebResponseFromWebConnection(WebClient.java:1513)
at com.gargoylesoftware.htmlunit.WebClient.loadWebResponse(WebClient.java:1387)
at com.gargoylesoftware.htmlunit.WebClient.getPage(WebClient.java:328)
at com.gargoylesoftware.htmlunit.WebClient.getPage(WebClient.java:357)
at com.gargoylesoftware.htmlunit.html.HtmlForm.submit(HtmlForm.java:196)
at hudson.tools.JDKInstaller.locate(JDKInstaller.java:388)
at hudson.plugins.sshslaves.SSHLauncher.attemptToInstallJDK(SSHLauncher.java:292)
at hudson.plugins.sshslaves.SSHLauncher.resolveJava(SSHLauncher.java:228)
at hudson.plugins.sshslaves.SSHLauncher.launch(SSHLauncher.java:184)
at com.collabnet.hudson.CubitLauncher.launch(CubitLauncher.java:70)
at hudson.slaves.SlaveComputer$1.call(SlaveComputer.java:199)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)