installation - maven install error,can't perform any maven operation on specifical maven project/modules

Question

all! i need some help on what happened to my eclipse maven plugin . the building process worked well yestoday! while it failed to build this morning ! i have googled but still not able to locate what happened ! i got the stack trace from the error log ; could somebody offer me some clue for this error,or what does 16386 mean there if possible thanks in advance!

stack trace:

java.lang.ArrayIndexOutOfBoundsException: 16386
at org.codehaus.plexus.util.xml.pull.MXParser.parsePI(MXParser.java:2470)
at org.codehaus.plexus.util.xml.pull.MXParser.nextImpl(MXParser.java:1257)
at org.codehaus.plexus.util.xml.pull.MXParser.next(MXParser.java:1105)
at org.codehaus.plexus.util.xml.Xpp3DomBuilder.build(Xpp3DomBuilder.java:179)
at org.codehaus.plexus.util.xml.Xpp3DomBuilder.build(Xpp3DomBuilder.java:86)

Answer 1

I wiped my ~/.m2/ folder and then re-ran and Maven re-downloaded everything - worked for me!