GUI Hangs after some click
Hi Guys !!
I am facing one problem with this particular thread. I can see that the GUI is hanging at this thread infinetly !! any thoughts why ?
*{color:#ff0000}+"AWT-EventQueue-0" prio=6 tid=0x1047abd8 nid=0x9d8 runnable [0x107bf000..0x107bfb68]+*
+ at sun.awt.windows.WComponentPeer.reshape(Native Method)+
+ - locked <0x02e10000> (a sun.awt.windows.WCanvasPeer)+
+ at sun.awt.windows.WComponentPeer.setBounds(WComponentPeer.java:118)+
+ at java.awt.Component.reshapeNativePeer(Component.java:1926)+
+ at java.awt.Component.reshape(Component.java:1882)+
+ - locked <0x036825e8> (a java.awt.Component$AWTTreeLock)+
+ at java.awt.Component.setBounds(Component.java:1849)+
+ at com.webrenderer.windows.NativeBrowserCanvas.setBounds(NativeBrowserCanvas.java)+
+ at java.awt.Component.resize(Component.java:1783)+
+ - locked <0x036825e8> (a java.awt.Component$AWTTreeLock)+
+ at java.awt.Component.setSize(Component.java:1772)+
+ at com.webrenderer.windows.NativeBrowserCanvas.setSize(NativeBrowserCanvas.java)+
+ at java.awt.Component.resize(Component.java:1806)+
+ at java.awt.Component.setSize(Component.java:1797)+
+ at com.webrenderer.windows.NativeBrowserCanvas.setSize(NativeBrowserCanvas.java)+
+ at javax.swing.JViewport.setViewSize(JViewport.java:1023)+
+ at javax.swing.ViewportLayout.layoutContainer(ViewportLayout.java:183)+
+ at java.awt.Container.layout(Container.java:1401)+
+ at java.awt.Container.doLayout(Container.java:1390)+
+ at java.awt.Container.validateTree(Container.java:1473)+
+ at java.awt.Container.validateTree(Container.java:1480)+
+ at java.awt.Container.validateTree(Container.java:1480)+
+ at java.awt.Container.validateTree(Container.java:1480)+
+ at com.objectsavvy.base.gui.panels.BaseTabbedPanel.validateTree(BaseTabbedPanel.java:73)+
+ at java.awt.Container.validateTree(Container.java:1480)+
+ at java.awt.Container.validateTree(Container.java:1480)+
+ at java.awt.Container.validateTree(Container.java:1480)+
+ at java.awt.Container.validateTree(Container.java:1480)+
+ at java.awt.Container.validate(Container.java:1448)+
+ - locked <0x036825e8> (a java.awt.Component$AWTTreeLock)+
+ at javax.swing.RepaintManager.validateInvalidComponents(RepaintManager.java:379)+
+ at javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run(SystemEventQueueUtilities.java:113)+
+ at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)+
+ at java.awt.EventQueue.dispatchEvent(EventQueue.java:461)+
+ at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242)+
+ at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)+
+ at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)+
+ at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)+
*+ at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)+{color}*
Edited by: bhvijay on Oct 8, 2009 9:48 AM
Example code goes a long way to getting an answer, also putting well placed print statements in will give you a fairly good clue on what is happening.
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db->set_pagesize(PAGE_SIZE);
db->set_bt_compare(compare_int);
dbname=itoa(p);
try
db->open(NULL,
"treedb.db",
dbname,
DB_BTREE,
0,
0);
catch(DbException &e)
cerr << "Failed to open DB object" << endl;
exit(1);
db->cursor(NULL,&cursorp,0);
key=new Dbt();
data=new Dbt();
while(ret=(cursorp->get(key,data,DB_NEXT))==0)
j=*((int*)key->get_data());
q=(*((struct tuple*)data->get_data())).startPos;
r=(*((struct tuple*)data->get_data())).endPos;
s=(*((struct tuple*)data->get_data())).level;
cout<<"position : "<<j<<"\t";
cout<<"start : "<<q<<"\t";
cout<<"end : "<<r<<"\t";
cout<<"level : "<<s<<"\n";
if(ret==DB_NOTFOUND)
cout<<"no records";
exit(1);
if(cursorp!=NULL)
cursorp->close();
try
db->close(0);
catch(DbException &e)
cerr << "Failed to close DB object" << endl;
exit(1);
myEnv.close(0);HI Andrei,
thank you for giving reply, I'm not using any secondary indecies, subdatabases and not using any threads.
the following code displays index...
#include <stdio.h>
#include <db_cxx.h>
#include <iostream.h>
#include <db.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
int PAGE_SIZE=8192;
int numBuffers=2048;
char *itoa(const int x)
char buf[100];
snprintf(buf, sizeof(buf), "%d", x);
return strdup(buf);
int compare_int(Db dbp, const Dbt a, const Dbt *b)
int ai;
int bi;
memcpy(&ai,a->get_data(),sizeof(int));
memcpy(&bi,b->get_data(),sizeof(int));
return(ai-bi);
struct tuple
int startPos;
int endPos;
int level;
main()
FILE *fp;
int i,j,k,l,m,n,total=0;
char dbname[500],filename[500],str [500];
tuple t;
Db *db;
Dbt key,data;
DbEnv myEnv(0);
myEnv.set_cachesize(0, PAGE_SIZE * numBuffers, 0);
try {
myEnv.open("/home/raviov/Desktop/example", DB_CREATE | DB_INIT_MPOOL, 0);
catch (DbException &e) {
cerr << "Exception occurred: " << e.what() << endl;
exit(1);
for(n=0;n<=84;n++)
db = new Db(&myEnv, 0); // Instantiate the Db object
db->set_bt_compare(compare_int);
db->set_pagesize(PAGE_SIZE);
strcpy(filename,"/home/raviov/Desktop/GTCReport/code/sequence/splitter/tree/");
strcat(filename,itoa(n));
fp=fopen(filename,"r");
if(fp==NULL)
cout<<"error in opening the file";
exit(0);
while(fgets (str , 500 , fp)!=NULL)
sscanf(str,"%d(%d,%d,%d,%d)",&i,&j,&k,&l,&m);
key=new Dbt(&i,sizeof(int));
if(total==0)
strcpy(dbname,itoa(j));
t.startPos=k;
t.endPos=l;
t.level=m;
data=new Dbt(&t,sizeof(t));
if(total==0)
try
db->open(NULL,
"tree.db",
dbname,
DB_BTREE,
DB_CREATE,
0);
catch(DbException &e)
cerr << "Failed to create DB object" << endl;
exit(1);
total=99;
int ret=db->put(NULL,key,data,DB_NOOVERWRITE);
if(ret==DB_KEYEXIST)
cout<<"key already exist\n";
exit(1);
delete key;
delete data;
total=0;
fclose(fp);
try
db->close(0);
catch(DbException &e)
cerr << "Failed to close DB object" << endl;
exit(1);
myEnv.close(0);
}The following code retrieves the records from database that we had built above...
#include <stdio.h>
#include <db_cxx.h>
#include <iostream.h>
#include <db.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
int PAGE_SIZE=8192;
int numBuffers=2048;
char *itoa(const int x)
char buf[100];
snprintf(buf, sizeof(buf), "%d", x);
return strdup(buf);
int compare_int(Db dbp, const Dbt a, const Dbt *b)
int ai;
int bi;
memcpy(&ai,a->get_data(),sizeof(int));
memcpy(&bi,b->get_data(),sizeof(int));
return(ai-bi);
struct tuple
int startPos;
int endPos;
int level;
main()
FILE *fp;
int i,j,k,l,m,n,total=0;
char *dbname;
char filename[200],str [100];
tuple t;
Db *db;
Dbt key,data;
Dbc *cursorp=NULL;
int ret,x=4;
char *ravi;
int p=84763;
int y=2134872;
int r,s,q,count=0;
DbEnv myEnv(0);
myEnv.set_cachesize(0, PAGE_SIZE * numBuffers, 0);
myEnv.set_data_dir("/home/raviov/new/database");
try {
myEnv.open("./", DB_CREATE | DB_INIT_MPOOL, 0);
catch (DbException &e) {
cerr << "Exception occurred: " << e.what() << endl;
exit(1);
db=new Db(&myEnv,0);
db->set_pagesize(PAGE_SIZE);
db->set_bt_compare(compare_int);
dbname=itoa(p);
try
db->open(NULL,
"tree.db",
dbname,
DB_BTREE,
0,
0);
catch(DbException &e)
cerr << "Failed to open DB object" << endl;
exit(1);
db->cursor(NULL,&cursorp,0);
key=new Dbt();
data=new Dbt();
while(ret=(cursorp->get(key,data,DB_NEXT))==0)
j=*((int*)key->get_data());
q=(*((struct tuple*)data->get_data())).startPos;
r=(*((struct tuple*)data->get_data())).endPos;
s=(*((struct tuple*)data->get_data())).level;
cout<<"position : "<<j<<"\t";
cout<<"start : "<<q<<"\t";
cout<<"end : "<<r<<"\t";
cout<<"level : "<<s<<"\n";
delete key;
delete data;
if(ret==DB_NOTFOUND)
cout<<"no records";
exit(1);
if(cursorp!=NULL)
cursorp->close();
try
db->close(0);
catch(DbException &e)
cerr << "Failed to close DB object" << endl;
exit(1);
myEnv.close(0);
}
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