Difference between revisions of "Tutorials webOS Debugging 101"

From WebOS Internals
Jump to navigation Jump to search
(adding/organizing debugging help for newbies)
 
(adding/organizing debugging help for newbies)
Line 1: Line 1:
 
 
Add mojo.logs to your code and evaluate them in putty.
 
Add mojo.logs to your code and evaluate them in putty.
  
Line 7: Line 6:
 
putty.exe
 
putty.exe
 
(for emulator)
 
(for emulator)
ip address "localhost" port 5522
+
<p>ip address "localhost" port 5522</p>
connection type: ssh
+
<p>connection type: ssh</p>
  
when command line opens type root
+
<p>when command line opens type root</p>
no password just hit enter
+
<p>no password just hit enter</p>
  
type: cat /var/log/messages | grep payment
+
<p>type: cat /var/log/messages | grep payment</p>
  
"payment" is the string you are searching for with grep
+
<p>"payment" is the string you are searching for with grep</p>
  
after you log in to putty:
+
<p>after you log in to putty:</p>
mojo.log.error writes to /var/log/messages
+
<p>mojo.log.error writes to /var/log/messages</p>
  
cat: types the file out
+
<p>cat: types the file out</p>
grep: searches it for the string following grep and prints out those lines
+
<p>grep: searches it for the string following grep and prints out those lines</p>
| (vertical bar): says pass the output of cat over to grep
+
<p>| (vertical bar): says pass the output of cat over to grep</p>
  
  
SIDE NOTE: if you copy text into the clipboard, you can paste it into putty by right-clicking in putty.
+
<p>SIDE NOTE: if you copy text into the clipboard, you can paste it into putty by right-clicking in putty.</p>

Revision as of 05:56, 15 September 2009

Add mojo.logs to your code and evaluate them in putty.

Mojo.Log.error("****V" + " my variable: " + this.variable );


putty.exe (for emulator)

ip address "localhost" port 5522

connection type: ssh

when command line opens type root

no password just hit enter

type: cat /var/log/messages | grep payment

"payment" is the string you are searching for with grep

after you log in to putty:

mojo.log.error writes to /var/log/messages

cat: types the file out

grep: searches it for the string following grep and prints out those lines

| (vertical bar): says pass the output of cat over to grep


SIDE NOTE: if you copy text into the clipboard, you can paste it into putty by right-clicking in putty.