Filestream to append remote log file

Hi. I'm new to using Air and I need help.
What I am wanting to do is create a simple app that has a button on it, clicking that button appends a file and adds a value of one to it. Very simple. I am able to do this locally, but what I ultimately want to do is have the button (on an android device) append to a remote text file (on a private server). As far as I'm aware this opens up a whole can of worms with what can and can't be done in terms of writing or appending to files. I think it's possible to do this using filestream. However I've not manage to find any example to help me do this. Can anyone shed some light on this. Thank you.

No. The file system APIs can only write to a local file.

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SQL - How to attach FileStream enabled db without log file

I'm trying to attach a FileStream enabled database without a log file. My SQL looks something like this:
USE master
CREATE DATABASE MyDB
ON PRIMARY(NAME = N'MyDB', FILENAME = 'C:\myDB.MDF' ),
FILEGROUP myFileGroup CONTAINS FILESTREAM ( NAME = myData, FILENAME = 'C:\myFileGroup')
For Attach
Here is the error I'm receiving:
Msg 5173, Level 16, State 3, Line 2
One or more files do not match the primary file of the database.
If you are attempting to attach a database, retry the operation with the correct files.
If this is an existing database, the file may be corrupted and should be restored from a backup.
Does anyone know if it's possible to attach a FileStream enabled database without the original log file? Thanks!

Hi cgregory,
The error might occur if the database is not shutdown cleanly. In this case, log file is required, or, you will have some data lost. Please pay attention to this thread addressing this type of issue:
attaching DB without .ldf file ???
For attach a database with FILESTREAM enabled, please refer to this article:
How to Detach and Attach a SQL Server FILESTREAM Enabled Database.
Stephanie Lv
TechNet Community Support

Tail and remote log files

I would like to be able to make a tail -f error.log of my remote httpd server. I said I would like because it doesn't work, it tails, but the tail is not refreshed.
I did the following:
- I went on Server Admin and change the Apache log directory to /Groups/Logs/httpd
- I Shared this dir
- I went on my remote machine, log onto the share dir and try from the console to tail -f /Volumes/...../error.log
- The same tail command is refreshed locally on the server itself but never on the remote machine even if I CTRL C the command and retype it.
Any ideas arround?
Thierry

one way to do this is to tail the log via ssh. if you don't want to ssh in, then tail the log, you can do it in one step:
ssh [email protected] 'tail -f /var/log/httpd/access_log'
i don't recommend sharing the logs directory via AFP to do this, especially if you just have the AFP ports open to the whole world.
alternatively, you could configure a syslog server somewhere and direct apache to log to it. i'm not that familiar with doing this, so you'll have to do some homework first.
also, be sure when you say the "tail is not refreshed" that you're not just experiencing the log rollover that happens every day.

Renaming log file

I am using Daily Rolling File Appender to generate log files.
Currently my log files are generated as "Filename.log.date"
I would like to rename this as "Filename.log.sequence of numbers" like
"Filename.log.1", "Filename.log.2" and so on.
Also as each day passes, the file which was named as "Filename.log.1" should be renamed as "Filename.log.2"
Please provide suggestions as to what to do.
Edited by: thomas27 on Jan 27, 2008 11:09 PM

I guess you did not understand my question
Here's the code
import java.io.File;
import java.util.Calendar;
import java.util.Timer;
import org.apache.log4j.Level;
import org.apache.log4j.Logger;
import org.apache.log4j.PatternLayout;
import org.apache.log4j.DailyRollingFileAppender;
public class LogManager{
     public static Logger logger = null;
     private static String logFileName = "filename.log";
     private static int numberOfLogsFilesToKeep = 10;
      * Method initialize initializes logging related parameters.
      * @param logFolderPath The log folder path
      * @param logLevel The log level for filtering
     public static void initialize(String logFolderPath, String logLevel){
          try{
               logger = Logger.getLogger(LogManager.class);
               PatternLayout layout = new PatternLayout("%d [%-5p] %C %M():: %m"+"/");
               String pattern = "'.'yyyy-MM-dd";
               DailyRollingFileAppender appender = null;
                              appender.activateOptions();
               logger.addAppender(appender);
               logger.setLevel(Level.toLevel(logLevel));In my Daily Rolling File Appender, the log file will be generated as filename.log.2008.1.28 . I want to rename it as filename.log.1, filename.log.2 and so on as a sequence.

How to create the log file in remote system using log4j.

Hi,
How to create the log file in remote system using log4j. please give me a sample code or related links.The below example i used for create the log file in remote system but it return the below exception.Is there any authandication parameter for accessing the remote path? Please help.
public class Logging
Logger log=null;
FileAppender fileapp=null;
public Logging(String classname)
try
log = Logger.getLogger(classname);
String path=" [\\192.168.0.14\\c$\\LOG\\d9\\May_08_2008_log.txt|file://\\192.168.0.14\\c$\\LOG\\d9\\May_08_2008_log.txt]";
fileapp = new FileAppender(new PatternLayout("%r [%t] %-5p %c %x - %m%n"),path, true);
log.addAppender(fileapp);
log.info("Logger initilized");
}catch(Exception ex)
ex.printStackTrace();
java.io.FileNotFoundException: \\192.168.0.14\c$\LOG\d9\May_08_2008_log.txt (The network path was not found)
at java.io.FileOutputStream.openAppend(Native Method)
at java.io.FileOutputStream.<init>(Unknown Source)
at java.io.FileOutputStream.<init>(Unknown Source)
at org.apache.log4j.FileAppender.setFile(FileAppender.java:290)
at org.apache.log4j.FileAppender.<init>(FileAppender.java:109)
at annwyn.logger.BioCapLogger.<init>(Logging.java:23)
at sun.applet.AppletPanel.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Please help.
Thanks in advance.
Saravanan.K

Sorry path is missing for the above request.
path="\\192.168.0.14\c$\LOG\d9\May_08_2008_log.txt ";
please help.
Saravanan.K

Creating Error log files using UTL_FILE package on a remote machine

Database Version: 10g Release2
OS Platform: Sun Solaris
I have been asked to log errors to OS files rather than tables. So, i wanted to use UTL_FILE package. But the client doesn't want to store these files on the same server where the database is running(as specified in UTL_FILE_DIR). Is there a way i could get these files created on a remote machine(client).

I believe what others are suggesting is that your stored procedure continues to log to a table and a separate process be created that runs on the machine you want the file to be created on which reads the log table and writes to a log file.
If that is not an option, can you expose the directory on the remote machine you want to write the file to as a file share that can be mounted by the database server? If you can, you could write errors there using UTL_FILE. However, it would probably be a bad idea. If you're logging an error already, that implies that something has gone wrong. Making an error logging process dependent on a remote server being available and properly mounted with appropriate privileges at the instant the error occurs just creates more sources of failure that would prevent you from logging an error, which would prevent you from being able to debug the problem or even know it existed without a report from a user.
Justin

How to append timestamp to log file in SQL*Plus ?

Version: 11.2.0.3
Platform : RHEL 5.8 (But I am looking for platform independant solution)
I want to append the timestamp to spooled log file name in SQL*Plus.
The spooled log filename should look like
WMS_APP_23-March-2013.logI tried the following 3 methods found in the google. But none of them worked !
I tried this
col sysdt noprint new_value sysdt_var
SELECT TO_CHAR(SYSDATE, 'yyyymmdd_hh24miss') sysdt FROM DUAL;
spool run_filename_&sysdt_var.Logas suggested in
http://power2build.wordpress.com/2011/03/11/sqlplus-spool-name-with-embedded-timestamp/
and this
spool filename with timestamp
col sysdt noprint new_value sysdt
SELECT TO_CHAR(SYSDATE, 'yyyymmdd_hh24miss') sysdt FROM DUAL;
spool run_filename_&sysdt..Logas suggested in
http://powerbuildev.wordpress.com/2011/03/11/sqlplus-spool-name-with-embedded-timestamp/
and this
column tm new_value file_time noprint
select to_char(sysdate, 'YYYYMMDD') tm from dual ;
prompt &file_time
spool logfile_id&file_time..logas suggested in
Creating a spool file with date/time appended to file name
None of the above worked in RHEL or MS DOS. Any workaround ?

I have tested your suggestions. But I still couldn't append the date to the logfile in RHEL or MS DOS SQL*Plus
Here are the attempts I've made. I am posting how the logfile looked like after every test.
#Attempt1 with two dots (&sysdate..log )
set echo on
set feedback on
set define off
set pages 999
column dcol new_value SYSDATE noprint
select to_char(sysdate,'YYYYMMDD') dcol from dual;
spool testlog.&sysdate..log
select 'hello' from dual;
spool off;Log File Name -- > testlog.&sysdate..log
#Attempt2 with single dot (&sysdate.log)
set echo on
set feedback on
set define off
set pages 999
column dcol new_value SYSDATE noprint
select to_char(sysdate,'YYYYMMDD') dcol from dual;
spool testlog.&sysdate.log
select 'hello' from dual;
spool off;Log File Name ---> testlog.&sysdate.log
#Attempt3. Replacing first dot with Hyphen (testlog- ) to check if the first dot was causing the issue
set echo on
set feedback on
set define off
set pages 999
column dcol new_value SYSDATE noprint
select to_char(sysdate,'YYYYMMDD') dcol from dual;
spool testlog-&sysdate.log
select 'hello' from dual;
spool off;Log Filename: testlog-&sysdate.log
#Attempt4: replacing SYSDATE with SDATE
set echo on
set feedback on
set define off
set pages 999
column dcol new_value SDATE noprint
select to_char(sysdate,'YYYYMMDD') dcol from dual;
spool testlog1.&SDATE..log
select 'hello' from dual;
spool off;Log File Name -- > testlog1.&SDATE..log

Remote management audit log file

I've read the documentation @
http://www.novell.com/documentation/...a/ad4zt4x.html
which indicates that the audit file is auditlog.txt and is located in the
system directory of the managed workstation. The problem is I can't find the
log file in that location or anywhere else on the computer. I even looked in
C:\Program Files\Novell\ZENworks\RemoteManagement\RMAgent but I can't find
anything. Any ideas? Can someone point me in the right direction.
BTW, I'm using ZDM 6.5 SP2 for both the server and the workstations.
Jim Webb

Just an FYI, with ZDM 6.5 HP3 the file name changed from AuditLog.txt to
ZRMAudit.txt still located under system32 on Windows XP.
Jim Webb
>>> On 5/22/2006 at 3:27 PM, in message
<[email protected]>,
Jim Webb<[email protected]> wrote:
> Well I found out the ZDM 6.5 HP2 fixes the problem of the log file not
> being
> created.
>
> Jim Webb
>
>>>> On 5/19/2006 at 8:37 AM, in message
> <[email protected]>,
> Jim Webb<[email protected]> wrote:
>> Well, it does show up in the event log but not in the inventory. If I
>> disable inventory the log file won't be deleted, correct?
>>
>> Jim Webb
>>
>>>>> On 5/18/2006 at 10:03 AM, in message
>> <[email protected]>, Marcus
>> Breiden<[email protected]> wrote:
>>> Jim Webb wrote:
>>>
>>>> I did a search on a machine I am remote controlling, no log file. What
>>>> next?
>>> good question... does the session show up in the eventlog?

Appending to a log file

I have a custom log file. It is for a client/server app, (so the application keeps running indefinitely). I output lots of data to this file. I was wondering what the best way is to do this.
- 1) keep the log file open indefinitely and just keep writing to it. Lots of data is sent, so I should not keep opening and closing it.
- 2) Keep opening and closing it as needed, so the file does not become locked.
- 3) Keep some kind of buffer and when it reaches a certain size, open and close the file. But this may be tricky since the app runs indefinitely, If an error occurs somewhere, or the app hangs, I may have something in the buffer that didn't get written to a file.
- 4) ??
public void writeToFile(String text)
try
   PrintWriter out = new PrintWriter(
     new BufferedWriter(new FileWriter("theFile.txt", true))
   out.println(text); // append text to the end of the file
   out.close();
catch (IOException e)
   System.err.println(e.toString());
}or
public void alreadyOpen(String text)
out.println( text );
out.flush();

Hmmm ok that's weird. I didn't try FTP though on a folder where a log file could be, but by opening it through the standard Windows file explorer it works fine.
So maybe FTP is trying to get a lock on a file whenever you try to open it, even in read-only mode, which looks bad... Maybe there's some configuration to be done on your FTP client ?
In that case you're kind of stuck, you have to release the lock each time.
OR you could write the logs each time in a temporary file, and then copy the contents to the "accessible through FTP" file once/twice a day or the like. But still you wouldn't be able to see what's going on in the log file at realtime...
Well, that FTP constraint puzzles me.

How to append report to log file?

Hai,
how to append the sqlplusw sql query output to a file.
If we use spool, every time the file will be overwritten with new content and it won't append.
Note:
In batch program using >> this we can write content in to a file.
But in sqlplus how to append the query output to same file.

hello egyptian god of the sun,
you didn't mention that you were using 9i. if that is the case, one way i can think of... if you're using unix (which again i assume as you mention batch scripts '>>') is to save your sql script in a .sql file and execute it within a shell script but redirecting output to your log file. you can append as you normally would.

Append to remote FTP file using Pharlap

Hi
Currently a colleague of mine has managed to write data from our cFP 2020 to a remote file on an FTP server (using the FTP buffer VI in Labview 7.0). However there does not appear to be any way that he can append additional readings to that file. I would like to know if there is a way to append data to the remote FTP file. We are interested in storing 1 minute's worth of 3.3 second data within the remote file. Our SQL server will then import the flat file every minute into the database.
So my question is, how can I append data readings from my cFP 2020 to remote files on an FTP server?
--Thor

Hi Thor,
You’ll want to look into the NI LabVIEW Internet Toolkit that will allow you to programmatically send and retrieve files from a remote FTP server.
Additionally, I have attached an example program to demonstrate how to send/retrive files programmatically using the FTP VIs. Note that you will need to have the Internet Toolkit in order to see the FTP VIs.
Hope this helps. Thanks again.
Kileen

Appended log files are not well formed XML?

I'm working on a retrofit of our home grown logging class to use the new java.util.logging classes. It works beautifully with one exception. If I need to instantiate the logger in the same day, appending to an existing log file, I get a second (or third, or fourth) <?xml version="1.0" encoding="UTF-8" standalone="no"?><!DOCTYPE log SYSTEM "logger.dtd"> tag inserted at the beginning of the new log entries. This causes the log file to not be well formed and therefore cannot be parsed.
I've looked and looked, but can't find a method to suppress these extra tags. Anybody know a way? We want to use this on a development server that will be restarted several times a day. If I don't append, it wipes out my previous logs for the day.

You'll have to do something to prevent your logger from appending to old logs that have been closed. Sorry if that is not very helpful, but I'm not familiar with the logging features in SDK 1.4. For your interest, though, Log4J (which you can get from Apache) also features XML logging, and it solved that rather obvious problem thus:
"The output of the XMLLayout consists of a series of log4j:event elements as defined in the log4j.dtd. It does not output a complete well-formed XML file. The output is designed to be included as an external entity in a separate file to form a correct XML file."
In other words, you would have to wrap the output in an XML header and a root node to be able to use it, which is not difficult to do.

Remote controll log files

I'm currently using zenworks 4.0 and netware 5.1 and 6.5. I need to know
if zenworks keeps a log of attempted remote controll sessions.
Occasionally, when trying to remote controll a desktop, the session will
error out. I'm hoping this information gets written to a log file that I
can use for debugging purposes. If so, where is it located and where do I
go to change the location of the log file?

Hopkinsp,
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Be sure to read the forum FAQ about what to expect in the way of responses:
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Good luck!
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Is there any downside to writing plain old log files?

Hi all;
We have our web & worker roles using log4net to write log files to disk. It works great where we then remote desktop in and go to the folder where they are and we've got exactly what we want - a daily log file for each worker.
Is there any downside to this approach?
Also, is there an easy way to have it delete all log files over a month old?
thanks - dave
What we did for the last 6 months -
Made the world's coolest reporting & docgen system even more amazing

hi dave,
If you stored the log file on instances disk, you may get them using the RDP. But if you redeployed ,auto-scaled the cloud service, the log file maybe removed. So I don't recommend you storage the content on Azure instances disk.
If you stored the log file on Azure Blob/Table storage (https://github.com/crossvertise/log4net.Appender.AzureBlobStorage/tree/master/TransactionLogger),
you could view it using some tool,such as Azure server explore and Azure storage Explore. And Azure storage will backup your storage data well.
>>Also, is there an easy way to have it delete all log files over a month old?
If you storage on azure storage, the one approach is that you could remove it manually . Another approach is that you could create a service on your project. And then you could create a Job using Scheduler service (http://msdn.microsoft.com/library/azure/dn479785.aspx
). If you don't like to use the Scheduler service, you could coding a delete log data or file method and execulted this method every day.
Regards,
Will
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Chainsaw to remote log

Hi,
I'm trying to figure out how I can use chainsaw (of log4j) to display a log4j generated XML file on a remote server.
To develop I use Win2K, production will be on Linux.
I always get the following error:
log4j:ERROR Could not connect to remote log4j server at [localhost]. We will try again later.
java.net.ConnectException: Connection refused: connect
     at java.net.PlainSocketImpl.socketConnect(Native Method)
     at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:305)
     at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:171)
     at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:158)
     at java.net.Socket.connect(Socket.java:452)
     at java.net.Socket.connect(Socket.java:402)
     at java.net.Socket.<init>(Socket.java:309)
     at java.net.Socket.<init>(Socket.java:153)
     at org.apache.log4j.net.SocketAppender.connect(SocketAppender.java:195)
The properties file looks like that:
log4j.rootCategory=DEBUG, Default, Chainsaw
log4j.appender.Default=org.apache.log4j.FileAppender
log4j.appender.Default.file=server.log
log4j.appender.Default.layout=org.apache.log4j.xml.XMLLayout
log4j.appender.Default.append=false
log4j.appender.Chainsaw=org.apache.log4j.net.SocketAppender
log4j.appender.Chainsaw.remoteHost=localhost
log4j.appender.Chainsaw.port=4445
log4j.appender.Chainsaw.locationInfo=true
What is wrong here?
Regards,
Claus

Hi,
I'm trying to figure out how I can use chainsaw (of log4j) to embed into the application so the log file can be viewed remotely.
Following is the error that I got when trying to run ChainSaw GUI and it appears the logging data does not display on this GUI:
C:\Work\java>java -classpath chainsaw-1.1.jar;log4j-1.2.8.jar -Dchainsaw.port=44
45 com.puppycrawl.tools.chainsaw.Main
[Thread-2] INFO com.puppycrawl.tools.chainsaw.LoggingReceiver - Thread started
[Thread-2] DEBUG com.puppycrawl.tools.chainsaw.LoggingReceiver - Waiting for a c
onnection
[Thread-2] DEBUG com.puppycrawl.tools.chainsaw.LoggingReceiver - Got a connectio
n from 127.0.0.1
[Thread-2] DEBUG com.puppycrawl.tools.chainsaw.LoggingReceiver - Waiting for a c
onnection
[Thread-4] DEBUG com.puppycrawl.tools.chainsaw.LoggingReceiver - Starting to get
data
java.lang.NoSuchFieldError: priority
at com.puppycrawl.tools.chainsaw.EventDetails.<init>(EventDetails.java:8
7)
at com.puppycrawl.tools.chainsaw.LoggingReceiver$Slurper.run(LoggingRece
iver.java:74)
at java.lang.Thread.run(Unknown Source)
The log4J.xml file looks like that:
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">
<log4j:configuration xmlns:log4j='http://jakarta.apache.org/log4j/' debug='true'>
     <appender name="STDOUT" class="org.apache.log4j.ConsoleAppender">
          <layout class="org.apache.log4j.PatternLayout">
               <param name="ConversionPattern" value="%d %5p %c - %m%n"/>
          </layout>
     </appender>
     <appender name="CHAINSAW_CLIENT" class="org.apache.log4j.net.SocketAppender">
          <param name="RemoteHost" value="localhost"/>
          <param name="Port" value="4445"/>
          <param name="LocationInfo" value="true"/>
     </appender>
<logger name="com.ncen" additivity="true">
          <level value="DEBUG"/>
          <appender-ref ref="CHAINSAW_CLIENT"/>
     </logger>
     <root >
          <level value ="debug"/>
          <appender-ref ref="STDOUT" />
     </root>
</log4j:configuration>
Do you know what does above error mean? What was wrong?
Thanks
Victor

Filestream to append remote log file

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