< prev index next >

src/hotspot/share/oops/klassVtable.cpp

Print this page
rev 49800 : 8199852: Print more information about class loaders in LinkageErrors.
Reviewed-by: dholmes

*** 22,31 **** --- 22,32 ---- * */ #include "precompiled.hpp" #include "jvm.h" + #include "classfile/javaClasses.hpp" #include "classfile/systemDictionary.hpp" #include "classfile/vmSymbols.hpp" #include "interpreter/linkResolver.hpp" #include "logging/log.hpp" #include "logging/logStream.hpp"
*** 503,527 **** SystemDictionary::check_signature_loaders(signature, target_loader, super_loader, true, CHECK_(false)); if (failed_type_symbol != NULL) { const char* msg = "loader constraint violation for class %s: when selecting " ! "overriding method \"%s\" the class loader (instance of %s) of the " ! "selected method's type %s, and the class loader (instance of %s) for its super " "type %s have different Class objects for the type %s used in the signature"; ! char* curr_class = klass->name()->as_C_string(); ! char* sig = target_method()->name_and_sig_as_C_string(); ! const char* loader1 = SystemDictionary::loader_name(target_loader()); ! char* sel_class = target_klass->name()->as_C_string(); ! const char* loader2 = SystemDictionary::loader_name(super_loader()); ! char* super_class = super_klass->name()->as_C_string(); ! char* failed_type_name = failed_type_symbol->as_C_string(); ! size_t buflen = strlen(msg) + strlen(curr_class) + strlen(sig) + strlen(loader1) + strlen(sel_class) + strlen(loader2) + strlen(super_class) + strlen(failed_type_name); char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen); ! jio_snprintf(buf, buflen, msg, curr_class, sig, loader1, sel_class, loader2, super_class, failed_type_name); THROW_MSG_(vmSymbols::java_lang_LinkageError(), buf, false); } } } --- 504,528 ---- SystemDictionary::check_signature_loaders(signature, target_loader, super_loader, true, CHECK_(false)); if (failed_type_symbol != NULL) { const char* msg = "loader constraint violation for class %s: when selecting " ! "overriding method %s the class loader %s of the " ! "selected method's type %s, and the class loader %s for its super " "type %s have different Class objects for the type %s used in the signature"; ! const char* curr_class = klass->external_name(); ! const char* method = target_method()->name_and_sig_as_C_string(); ! const char* loader1 = java_lang_ClassLoader::describe_external(target_loader()); ! const char* sel_class = target_klass->external_name(); ! const char* loader2 = java_lang_ClassLoader::describe_external(super_loader()); ! const char* super_class = super_klass->external_name(); ! const char* failed_type_name = failed_type_symbol->as_klass_external_name(); ! size_t buflen = strlen(msg) + strlen(curr_class) + strlen(method) + strlen(loader1) + strlen(sel_class) + strlen(loader2) + strlen(super_class) + strlen(failed_type_name); char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen); ! jio_snprintf(buf, buflen, msg, curr_class, method, loader1, sel_class, loader2, super_class, failed_type_name); THROW_MSG_(vmSymbols::java_lang_LinkageError(), buf, false); } } }
*** 1233,1253 **** method_holder_loader, interface_loader, true, CHECK); if (failed_type_symbol != NULL) { const char* msg = "loader constraint violation in interface itable" ! " initialization for class %s: when selecting method \"%s\" the" ! " class loader (instance of %s) for super interface %s, and the class" ! " loader (instance of %s) of the selected method's type, %s have" " different Class objects for the type %s used in the signature"; ! char* current = _klass->name()->as_C_string(); ! char* sig = m->name_and_sig_as_C_string(); ! const char* loader1 = SystemDictionary::loader_name(interface_loader()); ! char* iface = InstanceKlass::cast(interf)->name()->as_C_string(); ! const char* loader2 = SystemDictionary::loader_name(method_holder_loader()); ! char* mclass = target()->method_holder()->name()->as_C_string(); ! char* failed_type_name = failed_type_symbol->as_C_string(); size_t buflen = strlen(msg) + strlen(current) + strlen(sig) + strlen(loader1) + strlen(iface) + strlen(loader2) + strlen(mclass) + strlen(failed_type_name); char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen); jio_snprintf(buf, buflen, msg, current, sig, loader1, iface, --- 1234,1254 ---- method_holder_loader, interface_loader, true, CHECK); if (failed_type_symbol != NULL) { const char* msg = "loader constraint violation in interface itable" ! " initialization for class %s: when selecting method %s the" ! " class loader %s for super interface %s, and the class" ! " loader %s of the selected method's type, %s have" " different Class objects for the type %s used in the signature"; ! const char* current = _klass->external_name(); ! const char* sig = m->name_and_sig_as_C_string(); ! const char* loader1 = java_lang_ClassLoader::describe_external(interface_loader()); ! const char* iface = InstanceKlass::cast(interf)->external_name(); ! const char* loader2 = java_lang_ClassLoader::describe_external(method_holder_loader()); ! const char* mclass = target()->method_holder()->external_name(); ! const char* failed_type_name = failed_type_symbol->as_klass_external_name(); size_t buflen = strlen(msg) + strlen(current) + strlen(sig) + strlen(loader1) + strlen(iface) + strlen(loader2) + strlen(mclass) + strlen(failed_type_name); char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen); jio_snprintf(buf, buflen, msg, current, sig, loader1, iface,
< prev index next >