“Exception in thread ”main“ java.lang.NoSuchMethodError ”

[Emappiple]

I was in execution of a java program in order to extract XML files.I received this Run Time Exception when i ran my java program. Please Suggest During Compilation This is the compile time error which i got " GenerateInvoice.java:57: package com.ociweb.xml does not existimport com.ociweb.xml.Version; ^GenerateInvoice.java:58: package com.ociweb.xml does not existimport com.ociweb.xml.WAX; ^GenerateInvoice.java:69: package com.ociweb.xml does not existimport com.ociweb.xml.WAX; ^GenerateInvoice.java:73: cannot resolve symbolsymbol : class WAXlocation: class GenerateInvoice WAX waxDoc = null; ^GenerateInvoice.java:453: cannot resolve symbolsymbol : class WAXlocation: class GenerateInvoice waxDoc = new WAX("/u01/Output/report/gen_xml/work/" + DIR_NAME + "/" + file_name + "_invoice.xml", Version.V1_0); ^GenerateInvoice.java:453: cannot resolve symbolsymbol : variable Versionlocation: class GenerateInvoice waxDoc = new WAX("/u01/Output/report/gen_xml/work/" + DIR_NAME + "/" + file_name + "_invoice.xml", Version.V1_0);"Then i added a package "wax14_1.0.4.jar". After Running :\[code\]Exception in thread "main" java.lang.NoSuchMethodError: java.util.regex.Pattern.quote(Ljava/lang/StringLjava/lang/String; at com.ociweb.xml.XMLUtil.<clinit>(XMLUtil.java:83) at com.ociweb.xml.ElementMetadata.buildQualifiedName(ElementMetadata.java:155) at com.ociweb.xml.ElementMetadata.<init>(ElementMetadata.java:136) at com.ociweb.xml.WAX.start(WAX.java:829) at com.ociweb.xml.WAX.start(WAX.java:816) at com.ociweb.xml.WAX.start(WAX.java:803)\[/code\]