Index: test/test.rb
===================================================================
--- test/test.rb	(revision 62)
+++ test/test.rb	(working copy)
@@ -1,6 +1,7 @@
 #!/usr/local/env ruby
 # $Id$
 
+puts "No gems" rescue require 'rubygems' 
 require 'test/unit'
 require 'rjb'
 
@@ -226,6 +227,12 @@
     assert("43210", a.concat(it))
   end
 
+  def test_unbind()
+    it = TestIter.new
+    it = bind(it, 'java.util.Iterator')
+    assert(it, unbind(it))
+  end
+
   class TestComparator
     def compare(o1, o2)
       o1.to_i - o2.to_i
Index: ext/load.c
===================================================================
--- ext/load.c	(revision 62)
+++ ext/load.c	(working copy)
@@ -132,6 +132,7 @@
     
     jvmdll = rb_funcall(rb_const_get(rb_cObject, rb_intern("DL")), rb_intern("dlopen"), 1, rb_str_new2(libpath));
 
+    //get function pointers of JNI
 #if RJB_RUBY_VERSION_CODE < 190
     getdefaultjavavminitargsfunc = rb_funcall(rb_funcall(rb_funcall(jvmdll, rb_intern("[]"), 2, rb_str_new2("JNI_GetDefaultJavaVMInitArgs"), rb_str_new2("IP")), rb_intern("to_ptr"), 0), rb_intern("to_i"), 0); 
     createjavavmfunc = rb_funcall(rb_funcall(rb_funcall(jvmdll, rb_intern("[]"), 2, rb_str_new2("JNI_CreateJavaVM"), rb_str_new2("IPPP")), rb_intern("to_ptr"), 0), rb_intern("to_i"), 0); 
Index: ext/rjbexception.c
===================================================================
--- ext/rjbexception.c	(revision 62)
+++ ext/rjbexception.c	(working copy)
@@ -67,6 +67,13 @@
     VALUE klass;
     VALUE message;
     JNIEnv* jenv = rjb_attach_current_thread();
+
+    if (!rjb_jvm) 
+    {
+        /* auto-load with default setting */
+        rjb_s_load(0, NULL, 0);
+    }
+
     if (rb_scan_args(argc, argv, "11", &klass, &message) == 2)
     {
         jclass excep = rjb_find_class(jenv, klass);
Index: ext/rjb.c
===================================================================
--- ext/rjb.c	(revision 62)
+++ ext/rjb.c	(working copy)
@@ -66,6 +66,14 @@
 static JNIEnv* main_jenv;
 static VALUE primitive_conversion = Qfalse;
 
+/* auto-load with default setting */\
+#define rjb_load_vm_default() do {\
+    if (!rjb_jvm) \
+    {\
+        rjb_s_load(0, NULL, 0);\
+    }\
+} while (0)
+
 /*
  * Object cache, never destroyed
  */
@@ -1762,6 +1770,8 @@
     st_foreach(RHASH_TBL(rjb_loaded_classes), clear_classes, 0);
     if (rjb_jvm)
     {
+        JNIEnv* jenv = rjb_attach_current_thread();
+	(*jenv)->ExceptionClear(jenv);
 	(*rjb_jvm)->DestroyJavaVM(rjb_jvm);
 	rjb_jvm = NULL;
     }
@@ -2022,9 +2032,13 @@
     char* sig;
     VALUE ret = Qnil;
     struct jv_data* ptr;
-    JNIEnv* jenv = rjb_attach_current_thread();
     int found = 0;
+    JNIEnv* jenv = NULL;
 
+    rjb_load_vm_default();
+    jenv = rjb_attach_current_thread();
+    (*jenv)->ExceptionClear(jenv);
+
     rb_scan_args(argc, argv, "1*", &vsig, &rest);
     sig = StringValueCStr(vsig);
     Data_Get_Struct(self, struct jv_data, ptr);
@@ -2053,8 +2067,12 @@
     VALUE ret = Qnil;
     struct jv_data* ptr;
     struct cls_constructor** pc;
-    JNIEnv* jenv = rjb_attach_current_thread();
     int found = 0;
+    JNIEnv* jenv = NULL;
+    
+    rjb_load_vm_default();
+    jenv = rjb_attach_current_thread();
+    (*jenv)->ExceptionClear(jenv);
 
     Data_Get_Struct(self, struct jv_data, ptr);
 
@@ -2111,8 +2129,11 @@
 static VALUE rjb_s_bind(VALUE self, VALUE rbobj, VALUE itfname)
 {
     VALUE result = Qnil;
-    JNIEnv* jenv = rjb_attach_current_thread();
-    
+    JNIEnv* jenv = NULL;
+
+    rjb_load_vm_default();
+    jenv = rjb_attach_current_thread();
+    (*jenv)->ExceptionClear(jenv);
     jclass itf = rjb_find_class(jenv, itfname); 
     rjb_check_exception(jenv, 1);
     if (itf)
@@ -2138,6 +2159,18 @@
 }
 
 /*
+ * jclass Rjb::bind(rbobj, interface_name)
+ */
+static VALUE rjb_s_unbind(VALUE self, VALUE rbobj)
+{
+    JNIEnv* jenv;
+    rjb_load_vm_default();
+    jenv = rjb_attach_current_thread();
+    (*jenv)->ExceptionClear(jenv);
+    return rb_ary_delete(proxies, rbobj);
+}
+
+/*
  * Jclass Rjb::import(classname)
  */
 static VALUE rjb_s_import(VALUE self, VALUE clsname)
@@ -2150,12 +2183,9 @@
 	return v;
     }
 
-    if (!rjb_jvm) 
-    {
-        /* auto-load with default setting */
-        rjb_s_load(0, NULL, 0);
-    }
+    rjb_load_vm_default();
     jenv = rjb_attach_current_thread();
+    (*jenv)->ExceptionClear(jenv);
     jcls = rjb_find_class(jenv, clsname);
     if (!jcls)
     {
@@ -2725,6 +2755,7 @@
     rb_define_module_function(rjb, "unload", rjb_s_unload, -1);
     rb_define_module_function(rjb, "import", rjb_s_import, 1);
     rb_define_module_function(rjb, "bind", rjb_s_bind, 2);
+    rb_define_module_function(rjb, "unbind", rjb_s_unbind, 1);
     rb_define_module_function(rjb, "classes", rjb_s_classes, 0);
     rb_define_module_function(rjb, "throw", rjb_s_throw, -1);
     rb_define_module_function(rjb, "primitive_conversion=", rjb_s_set_pconversion, 1);
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 62)
+++ ChangeLog	(working copy)
@@ -1,3 +1,13 @@
+Tue Mar  4 Kuwashima
+ *ext/rjbexception.c
+ *ext/rjb.c
+ *ext/load.c
+ 	clear(ignore) exception in current java thread, before some operation.
+Wed Feb 27 Kuwashima
+ *ext/rjb.c
+ *test/Test.rb
+	add auto load for Rjb::bind,Rjb::throw
+	add Rjb::unbind
 Sat Feb 23 arton
  *test/test.rb
 	let test_field metod use Test.class instead of Point.class