Sending 80 Byte Fixed Size of File in SAP PI 7.11

Hi, I have a requirement that I need to send the file with approximately 80 bytes or less from SAP PI to a receiver system.
The message that I'm sending is a text file with file sizes that ranges from 200 - 1000 bytes.
Is this even possible in PI?
The only solution that I thought of is zipping the file but it does not guarantee that I will get 80 bytes or less by zipping it.
Thanks,
Roni

Hi,
In receiver determination under conditions choose context objects and select sourceFileSize. The problem is in xpath, there is no way to use less than or equal sign. So only files with exactly 80 bytes would fit the condition.
A choice would be to run a script before message processing that checks filesizes before getting polled.
Regards,
Mark

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Hyper-V 2012 R2 - Fixed Size VHDX Have VMs Paused Due to Disk Space Shortage

I am running Hyper-V Server 2012 R2 (Server Core). I have an SSD boot drive and a 10 Tb Storage Space HDD (Double Pairty - RAID6) where all VMs are stored.
I have one VM setup with an expanding VHDX file. It is setup with thin provisioning for 2 Tb and about 1.5 Tb is currently used. The VM paused due to physical disk space (SS drive) being low. I turned off this VM and tried to start a different
VM that has two fixed size VHDX files (also on the SS drive). This second VM would not start either. I got the same error message, as occurred on the first VM, about the physical disk space being low. There was about 10-20 Mb of physical
space left of my SS HDD when these errors occurred.
Given the first VM is setup with an expanding VHDX that makes sense to me that at some point there may not be enough physical disk space for the VM to expand and continue to run.
But given my second VM is using a fixed VHDX it doesn't make sense to me that I cannot get this VM to start. Even if the Storage Space disk were completely full I would expect this VM to be able to start?
Thanks for any assistance you can provide.
Theokrat

Hi Theokrat,
"The HDD was setup with approximately 5 Tb storage pool as double parity."
"My first VM has a 4 Tb fixed VHDX. Thus there was only about
1 Tb free space left for the second VM."
"And for the VMs I'm asking about I set up those options to point to my HDD which is the D drive."
So, there are two VMs (the first VM has 4TB disk , the
second VM has 1TB disk )and all of the VMs' files
are stored on the 5TB HDD (the 1TB VHDx is dynamical) .
You turned off the second VM when it was paused due to lacking of disk space (before this the first VM is off ).
When you start the first VM , it still can not start and the error arose again ,right ?
If there is no any other factor led to disk usage increasing , I think the issue might be the startup memory of first VM is larger than or equal to the second VM's .
Please try to check that , if it is true , you can try to set lower memory for the first VM then start it again .
Best Regards
Elton JI
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are trying to better understand customer views on social support experience, so your participation in this
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Urgent: DBrefresh error 354 while creating control file, oracle9i, SAP R3

Hi experts,
I have created trace file in Source system and moved the same to target system and edited and then while executing the trace file to create control file the following eeror is coming
my trace file is like this. . .
STARTUP NOMOUNT
CREATE CONTROLFILE SET DATABASE "P47" RESETLOGS ARCHIVELOG
-- SET STANDBY TO MAXIMIZE PERFORMANCE
    MAXLOGFILES 255
    MAXLOGMEMBERS 3
    MAXDATAFILES 336
    MAXINSTANCES 50
    MAXLOGHISTORY 8168
'/oracle/P47/sapdata9/btabd_63/btabd.data63',
'/oracle/P47/sapdata9/stabi_27/stabi.data27',
'/oracle/P47/sapdata9/btabi_122/btabi.data122',
'/oracle/P47/sapdata9/stabd_28/stabd.data28',
'/oracle/P47/sapdata9/btabi_123/btabi.data123',
'/oracle/P47/sapdata9/btabd_64/btabd.data64',
'/oracle/P47/sapdata9/btabi_124/btabi.data124'
CHARACTER SET WE8DEC
i run command like this:
SQL> @/oracle/P47/saptrace/usertrace/control.sql
ORACLE instance started.
Total System Global Area          1249618992 bytes
Fixed Size                                     732208 bytes
Variable Size                             788529152 bytes
Database Buffers                       459022446 bytes
Redo Buffers                                1335296 bytes
<b>354</b>
when I press 'enter' again SQL prompt is comming
Please help
rgds

Hi markus,
thanks for reply . .
control files are not created. . . .
alertSID logs shows as follows
orap47> tail -f alert_P47.log
ARCH shutting down
Thu Dec 13 13:01:51 2007
ARC0: Archival stopped
Thu Dec 13 13:01:51 2007
ARC1: Archival stopped
Thu Dec 13 13:01:54 2007
ARCH: Archiving is disabled
Shutting down archive processes
Archiving is disabled
Archive process shutdown avoided: 0 active
<b>When @/oracle/saptrace/usertrace/control.sql command given in sepearate SQL window</b>
Thu Dec 13 13:03:37 2007
Starting ORACLE instance (normal)
Disable cache advisory with old cache parameters
Thu Dec 13 13:03:37 2007
WARNING: EINVAL creating segment of size 0x000000004b800000
fix shm parameters in /etc/system or equivalent
LICENSE_MAX_SESSION = 0
LICENSE_SESSIONS_WARNING = 0
SCN scheme 3
LICENSE_MAX_USERS = 0
SYS auditing is disabled
Starting up ORACLE RDBMS Version: 9.2.0.4.0.
System parameters with non-default values:
processes                = 80
sessions                 = 96
timed_statistics         = TRUE
shared_pool_size         = 704643072
enqueue_resources        = 8000
control_files            = /oracle/P47/sapdata1/cntrl/cntrlP47.dbf, /oracle/P47/sapdata2/cntrl/cntrlP47.dbf, /oracle/P47/sapdata3/cntrl/cntrlP47.dbf
db_block_buffers         = 56033
db_block_checksum        = FALSE
db_block_size            = 8192
compatible               = 9.2.0
log_archive_start        = TRUE
log_archive_dest         = /oracle/P47/saparch/P47arch
log_buffer               = 1048576
log_checkpoint_interval = 0
db_files                 = 354
db_file_multiblock_read_count= 8
log_checkpoints_to_alert = TRUE
control_file_record_keep_time= 30
dml_locks                = 2500
row_locking              = always
replication_dependency_tracking= FALSE
transactions_per_rollback_segment= 20
rollback_segments        = PRS_0, PRS_1, PRS_10, PRS_11, PRS_12, PRS_13, PRS_14, PRS_2, PRS_3, PRS_4, PRS_5, PRS_6, PRS_7, PRS_8, PRS_9
transaction_auditing     = FALSE
remote_os_authent        = TRUE
db_domain                = world
parallel_max_servers     = 20
hash_join_enabled        = FALSE
background_dump_dest     = /oracle/P47/saptrace/background
user_dump_dest           = /oracle/P47/saptrace/usertrace
core_dump_dest           = /oracle/P47/saptrace/background
optimizer_features_enable= 9.2.0
sort_area_size           = 2097152
sort_area_retained_size = 0
db_name                  = P47
open_cursors             = 800
optimizer_mode           = choose
btree_bitmap_plans     = FALSE
pushjoin_predicate     = FALSE
optimizer_index_cost_adj = 10
newinitial_join_orders = FALSE
optimpeek_user_binds   = FALSE
PMON started with pid=2
DBW0 started with pid=3
LGWR started with pid=4
CKPT started with pid=5
SMON started with pid=6
RECO started with pid=7
Thu Dec 13 13:03:39 2007
ARCH: STARTING ARCH PROCESSES
ARC0 started with pid=8
ARC0: Archival started
ARC1 started with pid=9
Thu Dec 13 13:03:39 2007
ARCH: STARTING ARCH PROCESSES COMPLETE
Thu Dec 13 13:03:39 2007
ARC0: Thread not mounted
Thu Dec 13 13:03:39 2007
ARC1: Archival started
ARC1: Thread not mounted
rgds

How to resize a jpg/gif file to a fix size using jimi ?

I have search from the web and didn't find any example on doing this.
Can any one give example on how to resize a jpg image. let say 120x240
to a fixed size 40x40 ?
thank you

Hi.
When you got that image in form of a file, just load it and invoke the image's getScaledInstance(...)-method.
Here's how it could work:
import java.awt.*;
public class Test {
public static void main(String[] argv) {
// define where the image comes from:
URL toImage = new URL("file:/C:/test.jpg"); // or the like
// get the image:
Image image = Toolkit.getDefaultToolkit().createImage(toImage);
// scale the image to target size (40x40 here):
Image smallImage = image.getScaledInstance(40, 40, Image.SCALE_DEFAULT);
// you might want to do other things like displaying it afterwards
}HTH & cheers,
kelysar

Have been trying all weekend to upload Jpegs- either Send does not work or shows files uploading then shows error- never had this problem with Send Now-16 images total size 92MB-largest image 13MB

Have been trying all weekend to upload Jpegs- either Send does not work or shows files uploading then shows error- never had this problem with Send Now-16 images total size 92MB-largest image 13MB

Hi Ciaran19,
Are you sending files from the Adobe Send interface, Adobe Reader, or the Outlook plug-in?
Have you checked to see whether the files that you're sending appear in the Recent Files/Sent Files list when you're logged on to https://cloud.acrobat.com? (It could be that they're uploading, but not being sent.)
It would also be worthwhile to send the files in smaller batches, to see whether a particular file or files is problematic, and causing the error.
Please let us know how it goes. If you're still having trouble, please let us know where you're sending from, and whether you're able to send the files in smaller batches. It would also be helpful to know the exact error message that you're receiving.
Best,
Sara

FILE SENDER ADAPTER - TO GET A DINAMIC FILE NAME IN THE DIRECTORY

Hi,
     Please help me.
     I have to read by a file sender adapter a specific file in the directory that its name is Dyyyymmdd, where yyyymmdd is variable according with the current day:
     D      - fixed letter
     yymmdd - year,month and day of the current day.
     I cant´t use D* in the File Name Scheme because I must read only the one file generated in the day.
     How can I configure my file sender adapter to read this especific file in the directory?
      Thanks in advance.
      Mider.

Hi Krishna,
    I must access only one file by time ( of the current day ), but in the directory I have a lot of them of different dates. I mean, in the of the read ( in the adapter configuration ) , I need to configure the name of the file Dyyyymmdd before of the reading in the directory, in other words, I need to construct the name of file (withe the current date) before the communication channel access the file to read it.
    I think that OS command just can be applicated in file receivers, but if possible, at your purpose, how can I access the name of this especific file via OS command for senders?
    Thanks,
         Mider.
Message was edited by: Midervilson Andrade
Message was edited by: Midervilson Andrade

How to set fixed size for inputfile text field

Hi all,
I am using inputfile component to test file uploading so I created a simple upload page. When I finished upload the file, the input text field will "shrink" its size and change the size to adjust the file name. Is there any way to set a fix size for input text field?
Here is some part of the code:
<af:form id="f1" usesUpload="true">
<af:panelHeader text="File Uploader" id="ph1">
<af:inputFile label="File to upload" id="if1" autoSubmit="true" valueChangeListener="#{fileBean.fileUpdate}"
value="#{fileBean.file}" partialTriggers="if1"
columns="50"/>
</af:panelHeader>
<af:commandButton text="Save" id="cb1"/>
FileBean:
public void fileUpdate(ValueChangeEvent valueChangeEvent) {
RichInputFile inputFileComponent = (RichInputFile)valueChangeEvent.getComponent();
UploadedFile newFile = (UploadedFile)valueChangeEvent.getNewValue();
UploadedFile oldFile = (UploadedFile)valueChangeEvent.getOldValue();
Thanks,
Jerry

you can set columns attribute in af:inputfile. Please see highlighted area i have inserted to you code
<af:form id="f1" usesUpload="true">
<af:panelHeader text="File Uploader" id="ph1" columns = "34" >
<af:inputFile label="File to upload" id="if1" autoSubmit="true" valueChangeListener="#{fileBean.fileUpdate}"
value="#{fileBean.file}" partialTriggers="if1"
columns="50"/>
</af:panelHeader>
<af:commandButton text="Save" id="cb1"/>

Send An Internal Table Via Excel File As An Attachment of E-mail

Hi,
I've sent my internal table via Excel file as an attachment of email but all records of internal table are in a row of sended excel file.
How can i send an internal table via excel file , records of internal table for each rows of excel file,as an attachment of email correctly?
CALL FUNCTION 'SO_DOCUMENT_SEND_API1'
       EXPORTING
            document_data              = w_doc_data
            put_in_outbox              = 'X'
            sender_address             = ld_sender_address
            sender_address_type        = ld_sender_address_type
            commit_work                = 'X'
       IMPORTING
            sent_to_all                = w_sent_all
       TABLES
            packing_list               = t_packing_list     "   t_packing_list-doc_type   = 'XLS'.
            contents_bin               = pit_attach " this is a normal internal table.
            contents_txt               = pit_message
            receivers                  = t_receivers
       EXCEPTIONS
            too_many_receivers         = 1
            document_not_sent          = 2
            document_type_not_exist    = 3
            operation_no_authorization = 4
            parameter_error            = 5
            x_error                    = 6
            enqueue_error              = 7
            OTHERS                     = 8.

Hi,
CLASS CL_ABAP_CHAR_UTILITIES DEFINITION LOAD.
CONSTANTS:
CON_TAB TYPE C VALUE CL_ABAP_CHAR_UTILITIES=>HORIZONTAL_TAB,
CON_CRET TYPE C VALUE CL_ABAP_CHAR_UTILITIES=>CR_LF.
      LOOP AT T_FINAL INTO WA_T_FINAL.
        CONCATENATE WA_T_FINAL-PERNR
                    WA_T_FINAL-NAME
                    WA_T_FINAL-LEVEL
                    WA_T_FINAL-POS
                    WA_T_FINAL-JOB
                    WA_T_FINAL-SECTION
                    WA_T_FINAL-DEPT
                    WA_T_FINAL-GROUP
                    WA_T_FINAL-EX_HEAD
                    WA_T_FINAL-SUPID
                    WA_T_FINAL-SUPNM
                    WA_T_FINAL-FHRNM
                    WA_T_FINAL-VACID
                    WA_T_FINAL-VAC_SECTION
                    WA_T_FINAL-VAC_DEPT
                    WA_T_FINAL-VAC_GROUP
                    WA_T_FINAL-VAC_EX_HEAD
                    WA_T_FINAL-VAC_FHRNM
        INTO T_FINAL3 SEPARATED BY CON_TAB.
        CONCATENATE CON_CRET T_FINAL3 INTO T_FINAL3.
        APPEND T_FINAL3.
      ENDLOOP.
*Fill the document data.
W_DOC_DATA-DOC_SIZE = 1.
*Populate the subject/generic message attributes
W_DOC_DATA-OBJ_LANGU = SY-LANGU.
W_DOC_DATA-OBJ_NAME = 'REPORT'.
W_DOC_DATA-OBJ_DESCR = LD_MTITLE . "mail description
W_DOC_DATA-SENSITIVTY = 'F'.
*Fill the document data and get size of attachment
CLEAR W_DOC_DATA.
READ TABLE T_FINAL1 INDEX W_CNT.
W_DOC_DATA-DOC_SIZE =
( W_CNT - 1 ) * 255 + STRLEN( T_FINAL1 ).
W_DOC_DATA-OBJ_LANGU = SY-LANGU.
W_DOC_DATA-OBJ_NAME = 'SAPRPT'.
W_DOC_DATA-OBJ_DESCR = LD_MTITLE.
W_DOC_DATA-SENSITIVTY = 'F'.
CLEAR T_ATTACHMENT.
REFRESH T_ATTACHMENT.
T_ATTACHMENT[] = PT_FINAL1[].
*Describe the body of the message
CLEAR T_PACKING_LIST.
REFRESH T_PACKING_LIST.
T_PACKING_LIST-TRANSF_BIN = SPACE.
T_PACKING_LIST-HEAD_START = 1.
T_PACKING_LIST-HEAD_NUM = 0.
T_PACKING_LIST-BODY_START = 1.
DESCRIBE TABLE IT_MESSAGE LINES T_PACKING_LIST-BODY_NUM.
T_PACKING_LIST-DOC_TYPE = 'RAW'.
APPEND T_PACKING_LIST.
*Create 1st attachment notification
T_PACKING_LIST-TRANSF_BIN = 'X'.
T_PACKING_LIST-HEAD_START = 1.
T_PACKING_LIST-HEAD_NUM = 1.
T_PACKING_LIST-BODY_START = 1.
DESCRIBE TABLE T_ATTACHMENT LINES T_PACKING_LIST-BODY_NUM.
T_PACKING_LIST-DOC_TYPE = LD_FORMAT.
T_PACKING_LIST-OBJ_DESCR = 'Application 1'.
T_PACKING_LIST-OBJ_NAME = 'Application 1'.
T_PACKING_LIST-DOC_SIZE = T_PACKING_LIST-BODY_NUM * 255.
APPEND T_PACKING_LIST.
CLEAR T_PACKING_LIST.
*Add the recipients email address
CLEAR T_RECEIVERS.
REFRESH T_RECEIVERS.
T_RECEIVERS-RECEIVER = LD_EMAIL.
T_RECEIVERS-REC_TYPE = 'U'.
T_RECEIVERS-COM_TYPE = 'INT'.
T_RECEIVERS-NOTIF_DEL = 'X'.
T_RECEIVERS-NOTIF_NDEL = 'X'.
APPEND T_RECEIVERS.
CALL FUNCTION 'SO_DOCUMENT_SEND_API1'
    EXPORTING
      DOCUMENT_DATA              = W_DOC_DATA
      PUT_IN_OUTBOX              = 'X'
      SENDER_ADDRESS             = LD_SENDER_ADDRESS
      SENDER_ADDRESS_TYPE        = LD_SENDER_ADDRESS_TYPE
      COMMIT_WORK                = 'X'
    IMPORTING
      SENT_TO_ALL                = W_SENT_ALL
    TABLES
      PACKING_LIST               = T_PACKING_LIST
      CONTENTS_BIN               = T_ATTACHMENT
      CONTENTS_TXT               = IT_MESSAGE
      RECEIVERS                  = T_RECEIVERS
    EXCEPTIONS
      TOO_MANY_RECEIVERS         = 1
      DOCUMENT_NOT_SENT          = 2
      DOCUMENT_TYPE_NOT_EXIST    = 3
      OPERATION_NO_AUTHORIZATION = 4
      PARAMETER_ERROR            = 5
      X_ERROR                    = 6
      ENQUEUE_ERROR              = 7
      OTHERS                     = 8.
Edited by: Rahul Ghosh on Apr 6, 2009 6:42 AM

How do I alter the bytes of a Class file to add calls to the methods?

If i had the bytes of a class file, and I wanted to alter the bytes that constitute each method for the class so that it included a call to the security manager, how would i do it?
1. How would I know which bytes were the opening of a method?
2. how would I know what the name of the method is?
3. How would I create bytes for something like:
   SecurityManager sm = System.getSecurityManager().checkPermission(thismeth, subject);
4. I assume that if by some miracle I can do the above, then all I have to do is call defineClass(...) in ClassLoader and send it the new bytes, right?
Thanks to all!

OK, if it will help anyone get me the answers here, I found a class on the internet that can read a class file and tell you where in the bytes a method occurs and what its name is, and how long it is. What I need now is how to convert a call into the correct manner of bytes.
For example, so I could add the bytes that would do:
   System.out.println("Added!");
The class that reads a class file:
/* Inspector.java by Mark D. LaDue */
/* June 24, 1997 */
/* Copyright (c) 1997 Mark D. LaDue
   You may study, use, modify, and distribute this example for any purpose.
   This example is provided WITHOUT WARRANTY either expressed or implied. */
/* This Java application analyzes the entries in the constant pool and locates
   the code arrays in a Java class file. Each entry in the constant pool
   yields the following information:
   Index     Tag     Reference(s)/Value(s)
   where "Index" is its position within the class file's constant pool,
   "Tag" is the official tag number for that type of entry, and
   "Reference(s)/Value(s)" contains the constant pool information
   according to the entry's type. (See Lindholm and Yellin's "The Java
   Virtual Machine Specification" for details.) For each code array in
   the class file, its starting byte, its total length, and the name of
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   with the information yielded by the humble "javap" utility gives one
   sufficient information to hack the code arrays in Java class files. */
import java.io.*;
class Inspector {
    public static void main(String[] argv) {
        int fpointer = 8; // Where are we in the class file?
        int cp_entries = 1; // How big is the constant pool?
        int Code_entry = 1; // Where is the entry that denotes "Code"?
        int num_interfaces = 0; // How many interfaces does it use?
        int num_fields = 0; // How many fields are there?
        int num_f_attributes = 0; // How many attributes does a field have?
        int num_methods = 0; // How many methods are there?
        int num_m_attributes = 0; // How many attributes does a method have?
        int[] tags; // Tags for the constant pool entries
        int[] read_ints1; // References for some constant pool entries
        int[] read_ints2; // References for some constant pool entries
        long[] read_longs; // Values for some constant pool entries
        float[] read_floats; // Values for some constant pool entries
        double[] read_doubles; // Values for some constant pool entries
        StringBuffer[] read_strings; // Strings in some constant pool entries
        int[] method_index;
        long[] code_start;
        long[] code_length;
// How on earth do I use this thing?
        if (argv.length != 1) {
            System.out.println("Try \"java Inspector class_file.class\"");
            System.exit(1);
// Start by opening the file for reading
        try {
            RandomAccessFile victim = new RandomAccessFile(argv[0], "r");
// Skip the magic number and versions and start looking at the class file
            victim.seek(fpointer);
// Determine how many entries there are in the constant pool
            cp_entries = victim.readUnsignedShort();
            fpointer += 2;
// Set up the arrays of useful information about the constant pool entries
            tags = new int[cp_entries];
            read_ints1 = new int[cp_entries];
            read_ints2 = new int[cp_entries];
            read_longs = new long[cp_entries];
            read_floats = new float[cp_entries];
            read_doubles = new double[cp_entries];
            read_strings = new StringBuffer[cp_entries];
//Initialize these arrays
            for (int cnt = 0; cnt < cp_entries; cnt++) {
                tags[cnt] = -1;
                read_ints1[cnt] = -1;
                read_ints2[cnt] = -1;
                read_longs[cnt] = -1;
                read_floats[cnt] = -1;
                read_doubles[cnt] = -1;
                read_strings[cnt] = new StringBuffer();
// Look at each entry in the constant pool and save the information in it
            for (int i = 1; i < cp_entries; i++) {
                tags[i] = victim.readUnsignedByte();
                fpointer++;
                int skipper = 0;
                int start = 0;
                int test_int = 0;
                switch (tags) {
case 3: read_ints1[i] = victim.readInt();
fpointer += 4;
break;
case 4: read_floats[i] = victim.readFloat();
fpointer += 4;
break;
case 5: read_longs[i] = victim.readLong();
fpointer += 8;
i++;
break;
case 6: read_doubles[i] = victim.readDouble();
fpointer += 8;
i++;
break;
case 7:
case 8: read_ints1[i] = victim.readUnsignedShort();
fpointer += 2;
break;
case 9:
case 10:
case 11:
case 12: read_ints1[i] = victim.readUnsignedShort();
fpointer += 2;
victim.seek(fpointer);
read_ints2[i] = victim.readUnsignedShort();
fpointer += 2;
break;
// This is the critical case - determine an entry in the constant pool where
// the string "Code" is found so we can later identify the code attributes
// for the class's methods
case 1: skipper = victim.readUnsignedShort();
start = fpointer;
fpointer += 2;
victim.seek(fpointer);
for (int cnt = 0; cnt < skipper; cnt++) {
int next = victim.readUnsignedByte();
switch (next) {
case 9: read_strings[i].append("\\" + "t");
break;
case 10: read_strings[i].append("\\" + "n");
break;
case 11: read_strings[i].append("\\" + "v");
break;
case 13: read_strings[i].append("\\" + "r");
break;
default: read_strings[i].append((char)next);
break;
victim.seek(++fpointer);
victim.seek(start);
if (skipper == 4) {
fpointer = start + 2;
victim.seek(fpointer);
test_int = victim.readInt();
if (test_int == 1131373669) {Code_entry = i;}
fpointer = fpointer + skipper;
else {fpointer = start + skipper + 2;}
break;
victim.seek(fpointer);
// Skip ahead and see how many interfaces the class implements
fpointer += 6;
victim.seek(fpointer);
num_interfaces = victim.readUnsignedShort();
// Bypass the interface information
fpointer = fpointer + 2*(num_interfaces) + 2;
victim.seek(fpointer);
// Determine the number of fields
num_fields = victim.readUnsignedShort();
// Bypass the field information
fpointer += 2;
victim.seek(fpointer);
for (int j=0; j<num_fields; j++) {
fpointer += 6;
victim.seek(fpointer);
num_f_attributes = victim.readUnsignedShort();
fpointer = fpointer + 8*(num_f_attributes) + 2;
victim.seek(fpointer);
// Determine the number of methods
num_methods = victim.readUnsignedShort();
fpointer += 2;
// Set up the arrays of information about the class's methods
method_index = new int[num_methods];
code_start = new long[num_methods];
code_length = new long[num_methods];
//Initialize these arrays
for (int cnt = 0; cnt < num_methods; cnt++) {
method_index[cnt] = -1;
code_start[cnt] = -1;
code_length[cnt] = -1;
// For each method determine the index of its name and locate its code array
for (int k=0; k<num_methods; k++) {
fpointer += 2;
victim.seek(fpointer);
method_index[k] = victim.readUnsignedShort();
fpointer += 4;
victim.seek(fpointer);
// Determine the number of attributes for the method
num_m_attributes = victim.readUnsignedShort();
fpointer += 2;
// Test each attribute to see if it's code
for (int m=0; m<num_m_attributes; m++) {
int Code_test = victim.readUnsignedShort();
fpointer += 2;
// If it is, record the location and length of the code array
if (Code_test == Code_entry){
int att_length = victim.readInt();
int next_method = fpointer + att_length + 4;
fpointer += 8;
victim.seek(fpointer);
code_length[k] = victim.readInt();
code_start[k] = fpointer + 5;
fpointer = next_method;
victim.seek(fpointer);
// Otherwise just skip it and go on to the next method
else {
fpointer = fpointer + victim.readInt() + 4;
victim.seek(fpointer);
// Print the information about the Constant Pool
System.out.println("There are " + (cp_entries - 1) + " + 1 entries in the Constant Pool:\n");
System.out.println("Index\t" + "Tag\t" + "Reference(s)/Value(s)\t");
System.out.println("-----\t" + "---\t" + "---------------------\t");
for (int i = 0; i < cp_entries; i++) {
switch (tags[i]) {
case 1: System.out.println(i + "\t" + tags[i] + "\t" + read_strings[i].toString());
break;
case 3: System.out.println(i + "\t" + tags[i] + "\t" + read_ints1[i]);
break;
case 4: System.out.println(i + "\t" + tags[i] + "\t" + read_floats[i]);
break;
case 5: System.out.println(i + "\t" + tags[i] + "\t" + read_longs[i]);
break;
case 6: System.out.println(i + "\t" + tags[i] + "\t" + read_doubles[i]);
break;
case 7:
case 8: System.out.println(i + "\t" + tags[i] + "\t" + read_ints1[i]);
break;
case 9:
case 10:
case 11:
case 12: System.out.println(i + "\t" + tags[i] + "\t" + read_ints1[i] + " " + read_ints2[i]);
break;
System.out.println();
// Print the information about the methods
System.out.println("There are " + num_methods + " methods:\n");
for (int j = 0; j < num_methods; j++) {
System.out.println("Code array in method " + read_strings[method_index[j]].toString() + " of length " + code_length[j] + " starting at byte " + code_start[j] + ".");
System.out.println();
// All the changes are made, so close the file and move along
victim.close();
} catch (IOException ioe) {}

Byte array size changes

For some reason the size of my byte arrays change, and it is causing problems using an AES Cipher.
The length of the byte array is 16 when I first encrypt text, but when I try and decrypt it, it tells me the length is 29. Then I have an IllegalBlockSizeException.
Can someone explain how to overcome this problem?
I used the UTF-8 encoding on Ubuntu 8.04

TamalinJava wrote:
For some reason the size of my byte arrays change, and it is causing problems using an AES Cipher.A byte[] has a fixed size, you cannot change it.
The length of the byte array is 16 when I first encrypt text, but when I try and decrypt it, it tells me the length is 29. Then I have an IllegalBlockSizeException.
I used the UTF-8 encoding on Ubuntu 8.04This is your problem. It translates values >= 128 to be two characters.
Can someone explain how to overcome this problem?Don't try to write binary data as if it were text. (Write it as binary data)

How best to send double byte characters as http params

Hi all
I have a web app that accepts text that can be in many languages.
I build up a http string and send the text as parameters to another webserver. Hence, whatever text I receive i need to be able to represent on a http query string.
The parameters are sent as urlencoded UTF8. They are decoded by the second webserver back into unicode and saved to the db.
Occassionally i find a character that i am unable to convert to a utf8 string and send as a parameter (usually a SJIS character). When this occurs, the character is encoded as '3F' - a question mark.
What is the best way to send double byte characters as http parameters so they always are sent faithfully and not as question marks? Is my only option to use UTF16?
example code
<code>
public class UTF8Test {
public static void main(String args[]) {
encodeString("\u7740", "%E7%9D%80"); // encoded UTF8 string contains question mark (3F)
encodeString("\u65E5", "%E6%97%A5"); // this other japanese character converts fine
private static void encodeString(String unicode, String expectedResult) {
try {
String utf8 = new String(unicode.getBytes("UTF8"));
String utf16 = new String(unicode.getBytes("UTF16"));
String encoded = java.net.URLEncoder.encode(utf8);
String encoded2 = java.net.URLEncoder.encode(utf16);
System.out.println();
System.out.println("encoded string is:" + encoded);
System.out.println("expected encoding result was:" + expectedResult);
System.out.println();
System.out.println("encoded string16 is:" + encoded2);
System.out.println();
} catch (Exception e) {
e.printStackTrace();
</code>
Any help would be greatly appreciated. I have been struggling with this for quite some time and I can hear the deadline approaching all too quickly
Thanks
Matt

Hi Matt,
one last visit to the round trip issue:
in the Sun example, note that UTF8 encoding is used in the method that produces the byte array as well as in the method that creates the second string. This is equivalent to calling:
String roundTrip = new String(original.getBytes("UTF8"), "UTF8");//sun exampleWhereas, in your code you were calling:
String utf8 = new String(unicode.getBytes("UTF8"))//Matt's code
[/code attracted
The difference is crucial. When you call the string constructor without a second (encoding) argument, the default encoding (usually Cp1252) is used. Therefore your code is equivalent toString utf8 = new String(unicode.getBytes("UTF8"), "Cp1252")//Matt's code
i.e.you are encoding with one transformation format and decoding back with a different transformation format, so in general you won't get your original string back.
Regarding safely sending multi-byte characters across the Internet, I'm not completely sure what the situation is because I don't do it myself. (When our program is run as an applet, the only interaction it has with the web server is to download various files). I've seen lots of people on this forum describing problems sending multi-byte characters and I can't tell whether the problem is with the software or with the programming. Two possible methods come to mind (of course you need to find out what your third party software is doing):
1) use the DataOutput/InputStreams writeUTF/readUTF methods
2) use the InputStreamReader/OutputStreamWriter pair with UTF8 encoding
See this thread:
http://forum.java.sun.com/thread.jsp?forum=16&thread=168630
You should stick to UTF8. It is designed so that the bytes generated by encoding non-ASCII characters can be safely transmitted across the Internet. Bytes generated by UTF16 can be just about anything.
Here's what I suggest:
I am running a version of the Sun tutorial that has a program running on a server to which I can send a string and the program sends back the string reversed.
http://java.sun.com/docs/books/tutorial/networking/urls/readingWriting.html
I haven't tried sending multi-byte characters but I will do so and test whether there are any transmission problems. (Assuming that the Sun cgi program itself correctly handles characters).
More later,
regards,
Joe
P.S.
I thought one the reasons for the existence of UTF8 was to
represent things like multi-byte characters in an ascii format?Not exactly. UTF8 encodes ascii characters into single bytes with the same byte values as ASCII encoding. This means that a document consisting entirely of ASCII characters is the same whether it was encoded as UTF8 or ASCII and can consequently be read in any ASCII document reader (e.g.notepad).

InsufficientMemoryException while sending large byte array in WCF Service callback

Hi
I have a datacontract with a large byte array that is passed by the WCF Service back to the client using a callback contract.
Until the byte array size remains below 25-30 MB, it is passed OK, but as soon as it exceeds that, an InsufficientMemoryException is thrown on the service side. I have set the max message sizes at 100 MB and using MTOM Encoder.
I am using WSDualHTTPBinding with sessions and message security - hence streaming is not an option. I know chunking channels are an option, but I want to try to tune the service and client to maximize the byte array size which can be sent over a normal channel.
Kindly advise how to tune settings to get to around 100 MB byte array size.
Binding section of web.config is given below. Same settings for sizes are used on client.
Thanks
Abhishek
<wsDualHttpBinding>
        <binding name="WSHttpBinding_IService" closeTimeout="00:01:00" openTimeout="00:01:00" receiveTimeout="00:10:00" sendTimeout="00:01:00" bypassProxyOnLocal="false"
transactionFlow="false" hostNameComparisonMode="StrongWildcard" maxBufferPoolSize="100000000" maxReceivedMessageSize="100000000" messageEncoding="Mtom" textEncoding="utf-8" useDefaultWebProxy="true">
          <readerQuotas maxArrayLength="100000000" />
          <security mode="Message">
            <message clientCredentialType="Certificate" algorithmSuite="Default" />
          </security>
        </binding>
      </wsDualHttpBinding>

Hi abhisinghal21,
>>InsufficientMemoryException while sending large byte array in WCF Service callback
First please try to increase the timeout value in the both client and service side to see if it works:
closeTimeout="00:10:00" openTimeout="00:10:00"
receiveTimeout="00:10:00" sendTimeout="00:10:00"
Then since you do not want to the use the Chunking option to help you, maybe you try to change the wsDualHttpBinding to use the binding which supports the streaming mode and supports callback.
In streaming transfer mode, the receiver can begin to process the message before it is completely delivered. And the streaming mode is useful when the information that is passed is lengthy and can be processed serially. Streaming mode is also useful when the
message is too large to be entirely buffered. So it will be better for you to use the streamed mode.
For more information, please try to check:
#How to: Enable Streaming:
http://msdn.microsoft.com/en-us/library/ms789010(v=vs.110).aspx .
Best Regards,
Amy Peng
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Sending a byte array of greater length than the APDU data buffer

Hello again, I am now trying to send a byte array of length 480 from the smart card. I've tried setting the outgoing length to 480 first but as i had expected, this threw an exception. Then i tried setting it to 240 and then copying from the array into the apdu buffer in two halves and calling sendBytes() twice, but this only worked the first time - it send the first 240 bytes and then threw an error. Is it possible to do what i am trying to accomplish? If so, what am I missing?

the applet:
H:\java_card_kit-2_2_1-win-dom\java_card_kit-2_2_1\samples\src\com\sun\javacard\samples\photocard
the client:
H:\java_card_kit-2_2_1-win-dom\java_card_kit-2_2_1\samples\src_client\com\sun\javacard\clientsamples\photocardclient
here is the code i have used to store large data on card. maybe it will help you.
i send a series of apdu, where each contains 128 bytes of data (all apdu must have the same length - except the last).
public void writeAPDU(APDU apdu)
     byte[] buffer = apdu.getBuffer();
     short lc = (short)(buffer[ISO7816.OFFSET_LC]&0xFF);
     short p1 = (short)(buffer[ISO7816.OFFSET_P1]&0xFF); // counter
     short p2 = (short)(buffer[ISO7816.OFFSET_P2]&0xFF); // length of send data
     short offset = (short)(p1 * p2); // calculate the offset
     apdu.setIncomingAndReceive();
     // check for first apdu (contains the total size of data)
     if(p1 == 0 && p2 == 0)
          short l = Util.getShort(buffer,ISO7816.OFFSET_CDATA);
          data = new byte[l];
     else
          // store bytes in array
          Util.arrayCopy(buffer, ISO7816.OFFSET_CDATA, data, offset, lc);
}

Setting fixed size screen resolution in Arch VirtualBox guests...

Hello everyone.,
I've installed an Arch Linux 64-bit guest os in Windows 7 64-bit host. And i've also installed guest additions succesfully.
Now I need to restrict X to 720x1280 (720p) screen size for screen capturing.
I've already tried few methods for resizing it:
1) Tried disabling AutoResize in VirtualBox.
2) Tried to hint the display size in global settings (VirtualBox => File => Preferences => Display), but when I enter X it fits automatically the whole window again.
3) Tried to write a configuration file in "/etc/X11/xorg.conf.d/90-monitor.conf" (as explained in Xorg wiki page), but it still doesn't work. I couldn't find my monitor Identifier name, tried several ("VBox0", "Screen0", etc...)
4) Tried to generate single Xorg conf file ("sudo Xorg -configure"), but it terminates with error: "Missing output drivers. Configuration Failed".
And also i've googled anything related to fixed size screen WITH guest additions (which I still need for shared folders), seems nobody actually asked for it.
Any help will be appriciated, thanks.,

What is native resolution? 1080?
Do you need a window with guest os smaller than host video?
Did you try to set resolution on X guest and enabling autoscaled feature in VirtualBox?

[svn:osmf:] 14036: Tweaking sample to have the parallel element use a fixed size.

Revision: 14036
Revision: 14036
Author:   [email protected]
Date:     2010-02-08 06:31:10 -0800 (Mon, 08 Feb 2010)
Log Message:
Tweaking sample to have the parallel element use a fixed size.
Modified Paths:
    osmf/trunk/apps/samples/framework/LayoutSample/src/LayoutSample.as

Hi,
thank you for your fast reply. Please find attached my code where I marked the array creation with green circles and the control part with a red one. I removed all the other stuff and loops which are not relevant here (heart beat loop, value initialization, DMA fifo, etc). The sampling rate should be up to 50kS/s for capturing signals with a frequency of the range of 10 to 500Hz).
@ Spectre Dave:
I would like to do it in the FPGA because my host part (cRIO PPC) is already overloaded and I had a lot of problems to get it running and save the data to a file with the high sampling rate (50kS/s). I was thinking that simple array functions would be an easy thing for an FPGA. Or am I wrong??
Please let me know if you have any idea or if you need more information.
Thank you very much and best regards
Andreas
Attachments:
FPGAarrayProblem.png ‏189 KB

Sending 80 Byte Fixed Size of File in SAP PI 7.11

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