Troubleshooting: Add better detail exception message when Masterpage cannot be loaded

[ggallotti]

Improved exception handling for Masterpage loading error. Fail fast and with better detail

Now the log and exception prints the real error, such as a missing JAR:

Caused by: java.lang.NoClassDefFoundError: com/unanimo/genexusunanimo/SdtDropdownItems_DropdownItem
	at genexus.security.backend.gam_masterpage_impl.initialize(gam_masterpage_impl.java:853)
	at com.genexus.webpanels.GXWebPanel.initState(GXWebPanel.java:223)
	at com.genexus.webpanels.GXWebObjectBase.<init>(GXWebObjectBase.java:94)
	at com.genexus.webpanels.GXWebPanel.<init>(GXWebPanel.java:73)
	at com.genexus.webpanels.GXMasterPage.<init>(GXMasterPage.java:24)
	at genexus.security.backend.gam_masterpage_impl.<init>(gam_masterpage_impl.java:32)
	... 48 more
Caused by: java.lang.ClassNotFoundException: com.unanimo.genexusunanimo.SdtDropdownItems_DropdownItem
	at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1407)
	at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1215)
	... 54 more

[genexusbot]

Cherry pick to beta failed, 1 conflicted file in commit ae1371b

• java/src/main/java/com/genexus/webpanels/GXWebPanel.java

[genexusbot]

Cherry pick to beta failed, 0 conflicted files in commit ae1371b (warning: no changes merged)

[genexusbot]

Cherry pick to beta failed, 1 conflicted file in commit ae1371b

• java/src/main/java/com/genexus/webpanels/GXWebPanel.java

[genexusbot]

Cherry pick to beta failed, 1 conflicted file in commit ae1371b

• java/src/main/java/com/genexus/webpanels/GXWebPanel.java

[genexusbot]

Cherry pick to beta failed, 1 conflicted file in commit ae1371b

• java/src/main/java/com/genexus/webpanels/GXWebPanel.java

[genexusbot]

Cherry pick to beta failed, 1 conflicted file in commit ae1371b

• gxweb/src/main/java/com/genexus/webpanels/GXWebPanel.java

[genexusbot]

Cherry pick to beta failed, 1 conflicted file in commit ae1371b

• gxweb/src/main/java/com/genexus/webpanels/GXWebPanel.java

[genexusbot]

Cherry pick to beta failed, 1 conflicted file in commit ae1371b

• gxweb/src/main/java/com/genexus/webpanels/GXWebPanel.java

[genexusbot]

Cherry pick to beta failed, 1 conflicted file in commit ae1371b

• gxweb/src/main/java/com/genexus/webpanels/GXWebPanel.java

[genexusbot]

Cherry pick to beta failed, 1 conflicted file in commit ae1371b

• gxweb/src/main/java/com/genexus/webpanels/GXWebPanel.java

[genexusbot]

Cherry pick to beta success

• ae1371b
• 0e6cdd2
• 69f4321