File input question

I'm new to java and I'm trying to write a program using file input/output.
The user is asked for the names of an input file and an output file.
My question is that in case I don't specify the path of the input file, where should it reside?
thanks,

My question is that in case I don't specify the path
of the input file, where should it reside? In the present working directory. Which is not reliably known at runtime. If the input file will remain unchanged, you can put it into your JAR (if you create one) or somewhere else in your classpath, like the package root, and use getClass().getResourceAsStream("/thefile.ext") to load it. That will always work.

Similar Messages

Form validation for file inputs

Hi,
Does anybody know if Spry can do a file input validation? I'm
interested at least to check if the file is empty or not.
Thanks

is this a JavaScript question or a Java queston ?

Swing labels and file input

Okay, let's see if i can explain this in one go...
I have a file reader class as below:
package chineseanimals;
import java.io.*;
public class AnimalFileReader {
    public AnimalFileReader (String filename) {
         try{
FileReader fr = new FileReader(filename);
BufferedReader br = new BufferedReader(fr);
String s;
while((s = br.readLine()) != null) {
System.out.println(s);
fr.close();
      catch (Exception e)
        {   System.err.println("File input error");
}This is called up through:
AnimalFileReader animalFile = new AnimalFileReader(animal.toString().toLowerCase() + ".txt");
finalAnimal = animalFile.toString();
public String getFinalAnimal() {
        return finalAnimal;
    }(Part of the Chineseanimals class .getAnimalFile method)
Which altogether is ran by this:
private void getAnimalsActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
    String year = tempYear.getSelectedItem().toString(); //tempYear is obtained through a JComboBox
    Chineseanimals getAnimals = new Chineseanimals(year);/* year is convertee into an animal for use in the animal.toString().toLowerCase() above*/
    getAnimals.getAnimalFile();
    resultsLabel.setText(getAnimals.getFinalAnimal());
}It prints the file no problem, in the NetBeans output box. However, at the Swing label i get:
chineseanimals.AnimalFileReader@c1cd1fHopefully that all makes some sort of sense. Ultimately i want to get it so that the resultLabel (which is a swing jLabel) displays the contents of the file read at (animal.toString().toLowerCase() + ".txt").
Where am i going wrong?

I'm going to assume your questions were rhetorical (mainly because i can't be bothered to answer them) and designed to point me in the right direction as well as make me think i was able to find my own answer.
Which i did, (completely by myself, that is).

I got new hard driver for my MacBook I don't have the cd but I do have flash drive that has the software I need help because when I turn on my laptop it shows me a file with question mark how can I install the software from the flash driver?

I got new hard driver for my MacBook I don't have the cd but I do have flash drive that has the software I need help because when I turn on my laptop it shows me a file with question mark how can I install the software from the flash driver?

Hold down the Option key while you boot your Mac. Then, it should show you a selection of devices. Click your flash drive and it will boot from that.

How-to use Excel for the XML file input?

Hello all,
Following our discussion with Gerhard Steinhuber on the very nice tutorial from Horst Schaude , "How to upload mass data via XML File Input" , I am starting this new discussion.
In the comments section of this previous cited tutorial, Rufat Gadirov explains how to use a generated XML from Eclipse instead of your XSD file as your source in Excel.
However, in spite of all the instructions, I am still facing the same issue in Excel when I try to save my file as XML : "The XML maps in this workbook are not exportable".
What I try to do is to create one or more Sales Orders with multiple Items in it from a XML File Input, using excel to enter data.
The part with the File input is working (if I directly upload my file to the webDAV, it creates a sales order instance with multiple items).
The only missing part is the Excel data input that I cannot make work. Any help on this matter would be greatly appreciated.
Here is my XML file that I try to use as a source in Excel before inputing data from Excel:
<?xml version="1.0" encoding="UTF-8"?>
<p:MySalesOrderUploadedIntegrationInputRequest xmlns:p="http://001365xxx-one-off.sap.com/YUUD0G3OY_" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<MessageHeader>
    <CreationDateTime>2015-03-02T12:00:00.000Z</CreationDateTime>
</MessageHeader>
    <List actionCode="01" listCompleteTransmissionIndicator="true" reconciliationPeriodCounterValue="0">
        <MySalesOrderUploaded>
          <MySalesOrderUploadedID>idvalue0</MySalesOrderUploadedID>
          <MyBuyerID schemeAgencyID="token" schemeAgencySchemeAgencyID="1" schemeID="token">token</MyBuyerID>
          <MyDateTime>2015-03-02T12:00:00.000Z</MyDateTime>
          <MyName languageCode="EN">MyName</MyName>
          <MyBillToParty schemeAgencyID="token" schemeAgencySchemeAgencyID="1" schemeAgencySchemeID="token" schemeID="token">token</MyBillToParty>
          <MyDateToBeDelivered>2001-01-01</MyDateToBeDelivered>
          <MyEmployeeResponsible schemeAgencyID="token" schemeAgencySchemeAgencyID="1" schemeAgencySchemeID="token" schemeID="token">token</MyEmployeeResponsible>
          <MySalesUnit schemeAgencyID="token" schemeAgencySchemeAgencyID="1" schemeAgencySchemeID="token" schemeID="token">token</MySalesUnit>
            <MyItem>
                <MyItemID>token</MyItemID>
                <MyItemProductID schemeAgencyID="token" schemeID="token">token</MyItemProductID>
                <MyItemDescription languageCode="EN">MyItemDescription</MyItemDescription>
                <MyProductTypeCode>token</MyProductTypeCode>
                <MyRequestedQuantity unitCode="token">0.0</MyRequestedQuantity>
                <MyConfirmedQuantity unitCode="token">0.0</MyConfirmedQuantity>
                <MyNetAmount currencyCode="token">0.0</MyNetAmount>
            </MyItem>
        </MySalesOrderUploaded>
        <MySalesOrderUploaded>
          <MySalesOrderUploadedID>idvalue0</MySalesOrderUploadedID>
          <MyBuyerID schemeAgencyID="token" schemeAgencySchemeAgencyID="1" schemeID="token">token</MyBuyerID>
          <MyDateTime>2015-03-02T12:00:00.000Z</MyDateTime>
          <MyName languageCode="EN">MyName</MyName>
          <MyBillToParty schemeAgencyID="token" schemeAgencySchemeAgencyID="1" schemeAgencySchemeID="token" schemeID="token">token</MyBillToParty>
          <MyDateToBeDelivered>2001-01-01</MyDateToBeDelivered>
          <MyEmployeeResponsible schemeAgencyID="token" schemeAgencySchemeAgencyID="1" schemeAgencySchemeID="token" schemeID="token">token</MyEmployeeResponsible>
          <MySalesUnit schemeAgencyID="token" schemeAgencySchemeAgencyID="1" schemeAgencySchemeID="token" schemeID="token">token</MySalesUnit>
            <MyItem>
                <MyItemID>token</MyItemID>
                <MyItemProductID schemeAgencyID="token" schemeID="token">token</MyItemProductID>
                <MyItemDescription languageCode="EN">MyItemDescription</MyItemDescription>
                <MyProductTypeCode>token</MyProductTypeCode>
                <MyRequestedQuantity unitCode="token">0.0</MyRequestedQuantity>
                <MyConfirmedQuantity unitCode="token">0.0</MyConfirmedQuantity>
                <MyNetAmount currencyCode="token">0.0</MyNetAmount>
            </MyItem>
        </MySalesOrderUploaded>
    </List>
</p:MySalesOrderUploadedIntegrationInputRequest>
Thank you all for your attention.
Best regards.
Jacques-Antoine Ollier

Hello Jacques-Antoine,
I suppose that as you have tried to construct a map from the schema, you have taken the elements from the List level down. In this case I also can't export the map.
But if you take the elements from the level MySalesOrderUploaded down, you'll get the exportable map (screenshots)
Best regards,
Leonid Granatstein

Getting parameters from text and file input tag. . canyou help me ?

Hello!
Is there anyway of getting parameters from an
text field input in a form like :
<form name="signinForm" method="post" action="uploadFile.jsp" enctype="multipart/form-data" >Actually I would like to insert the parameters and make the upload of an file
on the same form. It is something likethis :
Form.jsp
<form name="signinForm" method="post" action="uploadFile.jsp" enctype="multipart/form-data" >
<input type="text" id="name" name="signinName" />
<input name="signinFile" id="fileUp" type="file" />
<input type="submit" id="submit_btn" name="signinSubmit"/>uploadingFile.jsp
<%@ page import="java.io.*,javax.servlet.http.HttpServletRequest,javax.servlet.ServletInputStream" %>
<%@ page import="java.io.FileWriter,java.io.IOException" %>
<%
.//upload the file
String email = request.getParameter("signinName").trim(); //this line is bringing me an NullPointerException
%>Thanks in advance for any suggestion!!
All the best!

You cannot use the HttpServletRequest object to retrieve parameters from a multipart form. You'll have to use a package that can parse such a form. I suggest Apache commons FileUpload.
http://jakarta.apache.org/commons/fileupload/
Using this package you can get both the file upload and any other parameters.

Passing request of file input type to a jsp

Hi i m using this script for file uploading the form is.... <html > <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /> <title>Untitled Document</title> </head> <body> <form action="uploadscript.jsp" name="filesForm" enctype="multipart/form-data" method="post">
Please specify a file, or a set of files:
<input type="file" name="userfile_parent" value="userfile_parent" >
<input type="submit" value="submit" value="Send">
</form> </body> </html> And i am tring to get the url on uploadscript.jsp by using String parentPath=request.getParameter("userfile_parent"); but i foud that its value is NULL it is not working what should i do to get the userfile_parent on uploadscript.jsp help me!!! Message was edited by: UDAY Message was edited by: UDAY
avajain
Posts: 135
From: Noida , India
Registered: 5/10/06
Read      Re: Passing response but getting NULL
Posted: Sep 20, 2006 2:43 AM in response to: UDAY in response to: UDAY
     Click to reply to this thread      Reply
Use method="GET" in place of method="post" .
Thanks
UDAY
Posts: 26
From: JAIPUR
Registered: 8/14/06
Read      Re: Passing response but getting NULL
Posted: Sep 20, 2006 3:18 AM in response to: avajain in response to: avajain
Click to edit this message...           Click to reply to this thread      Reply
now it is giving this error message by e.getMessage()
[br]the request doesn't contain a multipart/form-data or multipart/mixed stream, content type header is null
the uploadscript is this....
http://www.one.esmartstudent.com
can u please help me.

Here is sample code which we have used in one of our projects with org.apache.commons.fileupload.*.
You can find String fullName = (String) formValues.get("FULLNAMES"); at the end that gives name of file.
<%@ page import="java.util.*"%>
<%@ page import="java.util.List"%>
<%@ page import="java.util.Iterator"%>
<%@ page import="java.io.File"%>
<%@ page import="java.io.*"%>
<%@ page import="org.apache.commons.fileupload.*"%>
<%@ page import="org.apache.commons.fileupload.disk.*"%>
<%@ page import="org.apache.commons.fileupload.servlet.*"%>
<%!
     //method to return file extension
     String getFileExt(String xPath){
               //Find extension
               int dotindex = 0;     //extension character position
               dotindex = xPath.lastIndexOf('.');
               if (dotindex == -1){     // no extension
                    return "";
               int slashindex = 0;     //seperator character position
               slashindex = Math.max(xPath.lastIndexOf('/'),xPath.lastIndexOf('\\'));
               if (slashindex == -1){     // no seperator characters in string
                    return xPath.substring(dotindex);
               if (dotindex < slashindex){     //check last "." character is not before last seperator
                    return "";
               return xPath.substring(dotindex);
%>
<%
Map formValues = new HashMap();
String fileName = "";
boolean uploaded = false;
     // Check that we have a file upload request
     boolean isMultipart = FileUpload.isMultipartContent(request);
     //Create variables for path, filename and extension
     String newFilePath = CoeResourceBundle.getEmailProperties("FILE_UPLOAD_PATH");//application.getRealPath("/")+"temp";
     String newFileName ="";
     String FileExt = "";
     //System.out.println(" newFilePath"+newFilePath+"/");
     //out.println(" newFilePath"+newFilePath+"<br>");
     // Create a factory for disk-based file items
     FileItemFactory factory = new DiskFileItemFactory();
     // Create a new file upload handler
     ServletFileUpload upload = new ServletFileUpload(factory);
     // Parse the request
     List /* FileItem */ items = upload.parseRequest(request);
     // System.out.println(" newFilePath"+newFilePath+"/");
     // Process the uploaded items
     Iterator iter = items.iterator();
     //Form fields
     while (iter.hasNext()) {
     //System.out.println("in iterator");
          FileItem item = (FileItem) iter.next();
          if (item.isFormField()) {
               String name = item.getFieldName();
               String value = item.getString();
               if (name.equals("newFileName")) {
                    newFileName = value;
               //System.out.println("LOADING");
               formValues.put(name,value);
          else {
          //System.out.println("in iterator----");
               String fieldName = item.getFieldName();
               fileName = item.getName();
               int index = fileName.lastIndexOf("\\");
          if(index != -1)
                    fileName = fileName.substring(index + 1);
          else
                    fileName = fileName;
               FileExt = getFileExt(fileName);
               String contentType = item.getContentType();
               boolean isInMemory = item.isInMemory();
               long sizeInBytes = item.getSize();
               if (fileName.equals("") || sizeInBytes==0){
                    out.println("Not a valid file.<br>No upload attempted.<br><br>");
               } else {
               // out.println("ACTUAL fileName= " newFilePath"\\"+fileName+ "<br>");
                    //File uploadedFile = new File(newFilePath+"\\", newFileName+FileExt);
                    File uploadedFile = new File(newFilePath+"/",fileName);
                    File oldFile = new File(CoeResourceBundle.getEmailProperties("FILE_UPLOAD_PATH")+"/"+fileName);
                    File oldFileApproved = new File(CoeResourceBundle.getEmailProperties("APPROVED_FILE_LOCATION")+"/"+fileName);
                    try{
                         if (!oldFile.exists()&&!oldFileApproved.exists())
                              item.write(uploadedFile);
                              uploaded = true;
                         //out.println(fileName+" was successfully uploaded as "+ newFileName+FileExt +".<br><br>");
                    catch (java.lang.Exception e) {
                         out.println("Errors prevented the file upload.<br>"+fileName+ " was not uploaded.<br><br>");
     String userid = (String) formValues.get("USERID");
     String fullName = (String) formValues.get("FULLNAMES");
     String email = (String) formValues.get("EMAILID");
     String empno = (String) formValues.get("EMPNO");
     String docType = (String) formValues.get("DOCTYPE");
     String desc = (String) formValues.get("MYTEXT");
     String title = (String) formValues.get("TITLEBOX");
     String module = (String) formValues.get("MODULE");
     String techfunctype = (String) formValues.get("TECHFUNCTYPE");
%>

Java.sql.SQLException: File input/output error: File input/output error: re

Hi,
We are using JCAPS 512. We use oracle eway to connect to Oracle 10g database. But sometimes we are getting the following exception
and suddenly all jcds stop processing. If we restart the server again job continue processing, otherwise server hangs and nothing get processed.
Exception is as follows
java.sql.SQLException: File input/output error: File input/output error: reading: java.io.EOFException in statement [SET TABLE EVENT_STORE INDEX '11183416 55935']
     at org.hsqldb.Trace.getError(Unknown Source)
     at org.hsqldb.Log.runScript(Unknown Source)
     at org.hsqldb.Log.open(Unknown Source)
     at org.hsqldb.Database$Logger.openLog(Unknown Source)
     at org.hsqldb.Database.open(Unknown Source)
     at org.hsqldb.Database.<init>(Unknown Source)
     at org.hsqldb.jdbcConnection.openStandalone(Unknown Source)
     at org.hsqldb.jdbcConnection.<init>(Unknown Source)
     at org.hsqldb.jdbcDriver.connect(Unknown Source)
     at java.sql.DriverManager.getConnection(DriverManager.java:525)
     at java.sql.DriverManager.getConnection(DriverManager.java:171)
     at com.stc.eventmanagement.impl.DBEventStore$EventStoreDB.addNewConnection(DBEventStore.java:359)
     at com.stc.eventmanagement.impl.DBEventStore$EventStoreDB.getConnection(DBEventStore.java:444)
     at com.stc.eventmanagement.impl.DBEventStore$EventStoreDB.executeParameterizedQuery(DBEventStore.java:777)
     at com.stc.eventmanagement.impl.DBEventStore$EventStoreDB.access$000(DBEventStore.java:250)
     at com.stc.eventmanagement.impl.DBEventStore.getEventIDsList(DBEventStore.java:133)
     at com.stc.eventmanagement.impl.DBEventStore.getEventIDsList(DBEventStore.java:115)
     at com.stc.eventmanagement.impl.EventForwarderMBean.cachePersistedEvents(EventForwarderMBean.java:728)
     at com.stc.eventmanagement.impl.EventForwarderMBean.setup(EventForwarderMBean.java:334)
     at com.stc.eventmanagement.impl.EventForwarderMBean.invoke(EventForwarderMBean.java:565)
     at com.sun.jmx.mbeanserver.DynamicMetaDataImpl.invoke(DynamicMetaDataImpl.java:213)
     at com.sun.jmx.mbeanserver.MetaDataImpl.invoke(MetaDataImpl.java:220)
     at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:815)
     at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:784)
     at com.stc.eventmanagement.impl.EventManagementService.setupEventForwarderMbean(EventManagementService.java:270)
     at com.stc.eventmanagement.impl.EventManagementService.registerMBean(EventManagementService.java:147)
     at com.stc.eventmanagement.impl.EventManagementService.startService(EventManagementService.java:96)
     at com.stc.eventmanagement.impl.EventManagementResourceAdapter.start(EventManagementResourceAdapter.java:75)
     at com.sun.enterprise.connectors.ActiveInboundResourceAdapter.<init>(ActiveInboundResourceAdapter.java:94)
     at com.sun.enterprise.connectors.ActiveRAFactory.createActiveResourceAdapter(ActiveRAFactory.java:74)
     at com.sun.enterprise.connectors.ResourceAdapterAdminServiceImpl.createActiveResourceAdapter(ResourceAdapterAdminServiceImpl.java:269)
     at com.sun.enterprise.connectors.ResourceAdapterAdminServiceImpl.createActiveResourceAdapter(ResourceAdapterAdminServiceImpl.java:372)
     at com.sun.enterprise.connectors.ConnectorRuntime.createActiveResourceAdapter(ConnectorRuntime.java:204)
     at com.sun.enterprise.server.ConnectorModuleLoader.load(ConnectorModuleLoader.java:87)
     at com.sun.enterprise.server.ConnectorModuleLoader.load(ConnectorModuleLoader.java:108)
     at com.sun.enterprise.server.AbstractManager.load(AbstractManager.java:216)
     at com.sun.enterprise.server.AbstractManager.load(AbstractManager.java:106)
     at com.sun.enterprise.server.ApplicationLifecycle.onStartup(ApplicationLifecycle.java:183)
     at com.sun.enterprise.server.ApplicationServer.onStartup(ApplicationServer.java:295)
     at com.sun.enterprise.server.PEMain.run(PEMain.java:238)
     at com.sun.enterprise.server.PEMain.main(PEMain.java:186)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:585)
     at org.apache.commons.launcher.ChildMain.run(ChildMain.java:269)
|#]
Please provide some suggestions to overcome this error
Regards
Venkatesh.S

Delete the EventStoreDb.data file (its somewhere in your logical host) and restart the logical host.

How to get file input stream from the client machine by JSF Fileupload API?

Dear Friends,
How to get the file input stream from the client machine by JSF HtmlFileupload or fileupload API. At present, if i execute the file upload code in the client machine, it is able to get the local path of the file and looking for the file in server machine. So i am getting FileNotFoundException.
E.g., If a file is located at client machine at following location means "C:\Test\Test.txt",
uploadClass.getFileuploadComponent().getFilename().toString() returns "C:\Test\Test.txt". But it is looking for that file in server and throwing FileNotFoundException.
Please post your replies soon.
Thanks,
JP

Depends on which version of JSF you're using. If JSF 1.2, I wouldn't even bother trying to hack this into JSF itself unless you can use something like Seam 2 or richfaces.
http://docs.jboss.org/richfaces/latest_3_3_X/en/devguide/html/rich_fileUpload.html
http://docs.jboss.org/seam/2.2.1.CR3/reference/en-US/html/controls.html#d0e29259 (look for s:fileUpload)
But if I were you, a simple non-jsf form with a servlet works best for taking file uploads.
As for JSF 2.0, there are other ways of getting it done.
http://balusc.blogspot.com/2009/12/uploading-files-with-jsf-20-and-servlet.html

Could not process file 'Input 110110b.txt': com.sap.aii.adapter.file.

I have a FILE Adapter using FTP as a transport that is generating a very odd error.
The FTP sender channel is giving the following error is set up to retreive all files (*) from a specific directory. If you look at the error, it indicates an error processing the file 'Input 110110b.txt' as a file -- the only way this filename woudl be visible is if the adapater interrogated the directory, or the filename was hard-coded in the file mask. But the error indicates it can't change to the directory. The only way it would have come up with the file is if it had already CD'd t that directory.
1/7/11 8:12:01 AM   Retry interval started. Length: 60.0 seconds
1/7/11 8:12:01 AM   Could not process file 'Input 110110b.txt': com.sap.aii.adapter.file.ftp.FTPEx: 550 Failed to change directory.
1/7/11 8:12:00 AM   Processing started
My first thought was a simple permission issue, so I opened a connection to server with FileZilla (an FTP client) and was able to retrieve the file without a problem. I was also able to drop a file in the directory. There is no permissions problem.

Hi
Please check the below points before processing any file
a) check the File placing by a Local Plant FTP owner is using the same authentification credentials It means both PI and source team needs to use same FTP User ID and login credentials otherwise if suppose if source team is placing with one User and PI cannot able to pick that file as this User cannot have permissions in this case also u will get 550 error
b) I know what ur telling is u manualy palced one file and able retrive...but do one thing u can login with same PI FTP login server credentials and then place the file with different name also I suggest lets test the channel by simply keeping
. not simply * if you keep simply * then u cna use in receiver chanel while using dynamic connfiguration.
Else give *.txt and then activate the channel and also please check the CACHE as well
Regards
Amar Srinivas Eli

Can't get java to read my file input

I have a program that ask at prompt what the name of your input file will be... something for example like input.txt can be typed and a scanner puts that text "input.txt" into a string called maybe inputs.
The problem I am having is I can not get the scanner to then look at the string and open the file with the same name in the folder and read it.
I not sure if im putting the name correct in the new File so to make it look at "input.txt" and I keep getting Class FileNotFoundException
any ideas?
my code is below
File f = new File(inputs);
Scanner scan = new Scanner( f );
String name = "";
while(scan.hasNextLine()) // as long as there is another line to be read
     String text = scan.nextLine(); // read the first line
     Scanner scan2 = new Scanner(text); // set up a second scanner to process the String we just read in
     if(scan2.hasNext())
          name = scan2.next();
     else
          continue; // go to the next line
     System.out.println(name);
}

Java is likely looking for your file in a location other than where the file is. Do you know where your current user.dir is? Create a small program that does nothing but this:
class Fubar
public static void main(String[] args)
    System.out.println(System.getProperty("user.dir"));
}Edited by: Encephalopathic on Mar 23, 2009 7:10 PM

HT1752 My MacBook on startup shows file with question mark ,, what now?

My Mac shows file with question mark, what now.

Press the power button down to force a emergency use only hardware shutdown.
Press and hold the Option/alt key on the built in keyboard, boot the machine.
If MacintoshHD appears, select it and click the arrow, then in System Preferences > Startup Disk reset that. Done.
Sometimes a NVRAM reset is required then the above done again.
Folder with question mark issue
..Step by Step to fix your Mac
If MacintoshHD doesn't appear, or if it boots to gray screen or other issues, then it's more complicated of a fix, but once inside OS X then reset the Startup Disk.
Gray, Blue or White screen at boot, w/spinner/progress bar
..Step by Step to fix your Mac
You might need this if you don't have a recent backup and your problem is software related, Disk Utiltiy can't fix the drive and recommends you backup, erase and install.
.Create a data recovery/undelete external boot drive
If Disk Utility + Hardware Test shows no boot drive, then you have a dead drive or cable, or Mac issue.
My computer is not working, is my personal data lost?

Re: File Input Streams FileNotFoundException

Hi,
I'm having problems with file input streams.
The program is supposed to read from an external file but when I run it in Sun ONE Studio 4 (update 1), it gives me a FileNotFoundException (The system cannot find the file specified). The file, class.dat, is in the same folder as the .java and .class files.
Anyway, so I run the program through MS-Prompt commands and there is no problem. It executes fine and gives the right output. Go figure.
Can anyone shed some light on what is going on? Anyone else with the same problem? Is there something I need to configure in SunStudio? Please help...
Thanks
The code is taken directly from Sams Java in 21 days.
// code
import java.io.*;
public class ReadBytes {
public static void main(String[] arguments) {
try {
FileInputStream file = new
FileInputStream("class.dat");
boolean eof = false;
int count = 0;
while (!eof) {
int input = file.read();
System.out.print(input + " ");
if (input == -1)
eof = true;
else
count++;
file.close();
System.out.println("\nBytes read: " + count);
} catch (IOException e) {
System.out.println("Error -- " + e.toString());

FileInputStream file = new FileInputStream("class.dat");Is this the line that is giving you the error message? Always, when trying to open a disk file, give the full path. This is because, FileNotFoundException is thrown only in cases when your file cannot be found by your program. But you say that the file exists.
Try giving your full path for the file...like:
FileInputStream file = new FileInputStream("C:/Program Files/class.dat");
//Ofcourse your path will be different. This is just an example!So try giving the full path and let me know.
Vijay :-)

File Input Adapter - Dynamic Mode

Hi,
I want to use dynamicFile and dynamicPath together for file input adapter but I am getting error when I write both of them in DynamicMode parameter. Is it possible somehow?
Let me explain my scneario. A server is generating logs and I need to read them from ESP. The server writes logs in a file and when size of the file reaches 100MB, logs are started to be written a new log file. So, I need to read each newly coming data from a single log file and also get entries from a new file if previous log file reaches its maximum size.
How can I handle this kind of request?
Thanks and regards,
Bulut

Hi Alice,
To be able to use wildcard in the File Parameter, I should choose dynamicPath in dynamicMode paramater. But when I choose dynamicPath, adaptor didn’t read newly written entries (incremental data) in log files.
Vice versa, to able to get incremental data from a log file I should choose dynamicFile in dynamicMode. This time, I could not use wildcard (*) and I should specify a certain file in File Parameter.
you can see my adapter codes below:
     1- DynamicFile
CREATE INPUT WINDOW InputWindow1 SCHEMA (
       Column1 string ,
       Column2 string ) PRIMARY KEY ( Column1 ) ;
ATTACH INPUT ADAPTER File_Hadoop_CSV_Input1 TYPE toolkit_file_csv_input TO InputWindow1 PROPERTIES csvExpectStreamNameOpcode = FALSE ,
       dir = 'E:/gg/t' ,
       file = 'new2.txt' ,
       dynamicMode = 'dynamicFile' ,
       removeAfterProcess = FALSE ,
       csvDelimiter = ',' ,
       csvDateFormat = '' ,
       csvTimestampFormat = '' ,
       csvHasHeader = FALSE ,
       pollingPeriod = 5 ,
scanDepth = 0 ;
     2- DynamicPath
CREATE INPUT WINDOW InputWindow1 SCHEMA (
       Column1 string ,
       Column2 string ) PRIMARY KEY ( Column1 ) ;
ATTACH INPUT ADAPTER File_Hadoop_CSV_Input1 TYPE toolkit_file_csv_input TO InputWindow1 PROPERTIES csvExpectStreamNameOpcode = FALSE ,
       dir = 'E:/gg/t' ,
       file = '*' ,
       dynamicMode = 'dynamicPath' ,
       removeAfterProcess = FALSE ,
       csvDelimiter = ',' ,
       csvDateFormat = '' ,
       csvTimestampFormat = '' ,
       csvHasHeader = FALSE ,
       pollingPeriod = 5 ,
scanDepth = 0 ;
My new2.txt file includes:
A,A
B,B
C,C
D,D,
I could not find a way to handle this situation. Do you have any idea? How can I use both dynamicFile and dynamicPath options together?
Regards,
Bulut

File and question mark when starting

Flashing file and question marl when i start my computer

There are four general causes of this issue:
1. The computer's PRAM no longer contains a valid startup disk setting when there aren't any problems with the disk itself. This can be checked for by pressing the Option key and seeing if the drive appears.
2. The internal drive's directory structure has become damaged. This requires usage of an alternate bootable system to perform the repair.
3. Critical system files have been deleted. This requires usage of an alternate bootable system to reinstall them.
4. The internal drive has died or become unplugged. This is the most likely case if the computer took a sharp impact or there are unusual sounds coming from its location.
(103563)

File input question

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