E-Commerce for mySAP ERP: Problem with java source code

Hello everybody,
we try to implement web shops on the basis of ECO for ERP 5.0. The shop is running fine and we want to start with some extensions in java classes and web UI with NWDI 2004s.
We created a new track and our own application as described in "Development And Extension Guide". We need to extend some of the original java classes for the b2b scenario and of course the user interface.
We got the information from SAP, that the original java classes are not intended
to be modified by customers and therefore it is not intended to create a project with NWDI that contains that source code. But we should be able to create own DCs and copy the source code into it and then modify them on own risk.
We tried to do that, but always got errors.
Due to customer requirements we have to make some modifications otherwise we can not use this solution.
If there is anybody who has already some experience with this topic we
would be very glad to get some hints.
Kind Regards
Helmut

Hello Raju,
I am sorry, but I am no technical consultant, but I am have to change
the already installed application for our customers.
Nethertheless I try to give you some information I have. I had a look at SAP note 883948 you mentioned. The software components which are listed under XECO are the software components which contain the E-Commerce Application. You also find them in the "Development and Extension Guide".
There are some guides under http://service.sap.com/instguides -> mySAP Business Suite Solutions -> mySAP ERP -> mySAP ERP 2005 -> Installation. In the document "SAP E-Commerce for mySAP ERP: Business Scenario Configuration Guide" there is a table of the needed components on a high level.
From the view of the application you need the E-Commerce application itself, the TREX for searching in the product catalog, the IPC if you want to have price calculation in the shop or configuration of products with optional components.
Hope this helps a bit
Kind Regards
Helmut

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Hello Jelmer,
Waht release ans SP of ECO are you running and what ERP backend ? . If you create a session log do you get any further information?
Have you checked note [1040092|http://service.sap.com/notes/1040092] this looks like the solution to your issue, bue dependent on your release.
regards
Mark

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B 7: 65 * 4 = 260
B 8: 13754 * 256 = 3521024
B Tracing = 0, Shm Protection = 0, Force checks = 0
B dbexpbuf: Buffer ESM   (addr: 0F1F00D0, size: 4194304, end: 0F5F00D0)
B ***LOG BB0=> buffer ESM        started with length 4096k      bytes [dbexpbuf#5 @ 2322] [dbexpbuf2322 ]
B Layout of CUA   buffer shared memory:
B 0: 1 * 4 = 4
B 1: 1 * 344 = 344
B 2: 10 * 20 = 200
B 3: 3001 * 48 = 144048
B 4: 1500 * 232 = 348000
B 5: 3001 * 4 = 12004
B 6: 1 * 200 = 200
B 7: 193 * 4 = 772
B 8: 5012 * 512 = 2566144
B Tracing = 0, Shm Protection = 0, Force checks = 0
B dbexpbuf: Buffer CUA   (addr: 0F6000D0, size: 3072000, end: 0F8EE0D0)
B ***LOG BB0=> buffer CUA        started with length 3000k      bytes [dbexpbuf#5 @ 2322] [dbexpbuf2322 ]
B Layout of OTR   buffer shared memory:
B 0: 1 * 4 = 4
B 1: 1 * 344 = 344
B 2: 10 * 20 = 200
B 3: 4001 * 48 = 192048
B 4: 2000 * 232 = 464000
B 5: 4001 * 4 = 16004
B 6: 1 * 200 = 200
B 7: 81 * 4 = 324
B 8: 13754 * 256 = 3521024
B Tracing = 0, Shm Protection = 0, Force checks = 0
B dbexpbuf: Buffer OTR   (addr: 0F8F00D0, size: 4194304, end: 0FCF00D0)
B ***LOG BB0=> buffer OTR        started with length 4096k      bytes [dbexpbuf#5 @ 2322] [dbexpbuf2322 ]
B ***LOG BB0=> buffer CALE       started with length 500000     bytes [dbcalbuf#1 @ 2206] [dbcalbuf2206 ]
B dbtran INFO (init_connection '<DEFAULT>' [ORACLE:640.00]):
B   max_blocking_factor = 15, max_in_blocking_factor      =   5,
B   min_blocking_factor = 10, min_in_blocking_factor      =   5,
B   prefer_union_all    =   0, prefer_union_for_select_all =   0,
B   prefer_fix_blocking =   0, prefer_in_itab_opt          =   1,
B   convert AVG         =   0, alias table FUPD            =   0,
B   escape_as_literal   =   1, opt GE LE to BETWEEN        =   0,
B   select *            =0x0f, character encoding          = STD / <none>:-,
B   use_hints           = abap->1, dbif->0x1, upto->2147483647, rule_in->0,
B                         rule_fae->0, concat_fae->0, concat_fae_or->0
M
M PfHIndInitialize: memory=<0AEEC488>, header=<0AEEC488>, records=<0AEEC4D0>
M SecAudit(init_sel_info): init of SCSA completed: 02 slots used
M ***LOG AV6=> 02& [rsauwr1.c    1619]
M SsfSapSecin: automatic application server initialization for SAPSECULIB
N SsfSapSecin: Looking for PSE in database
N SsfPseLoad: started...(path=C:\usr\sap\SXI\DVEBMGS00\sec, AS=starxi, instanceid=00)
N
N SsfPseLoad: Downloading file C:\usr\sap\SXI\DVEBMGS00\sec\SAPSYS.pse (client:    , key: SYSPSE, len: 1078)
N SsfPseLoad: ended (1 of 1 sucessfully loaded, 1 checked...
N MskiCreateLogonTicketCache: Logon Ticket cache created in shared memory.
N MskiCreateLogonTicketCache: Logon Ticket cache pointer registered in shared memory.
M rdisp/reinitialize_code_page -> 0
M icm/accept_remote_trace_level -> 0
M rdisp/no_hooks_for_sqlbreak -> 0
S
S *** init spool environment
S initialize debug system
T Stack direction is downwards.
T debug control: prepare exclude for printer trace
T new memory block 121963B0
S spool kernel/ddic check: Ok
S using table TSP02FX for frontend printing
S 1 spool work process(es) found
S frontend print via spool service enabled
S printer list size is 150
S printer type list size is 50
S queue size (profile)   = 300
S hostspool list size = 3000
S option list size is 30
S      intervals: query=50, rescan=1800, global=300 info=120
S      processing queue enabled
S creating spool memory service RSPO-RCLOCKS at 0FEB00A8
S doing lock recovery
S setting server cache root
S using server cache size 100 (prof=100)
S creating spool memory service RSPO-SERVERCACHE at 0FEB0370
S    using messages for server info
S size of spec char cache entry: 297028 bytes (timeout 100 sec)
S size of open spool request entry: 2132 bytes
S immediate print option for implicitely closed spool requests is disabled
A
A
A -PXA--
A PXA INITIALIZATION
A PXA: Fragment Size too small: 73 MB, reducing # of fragments
A System page size: 4kb, admin_size: 5032kb.
A PXA allocated (address 67850040, size 150000K)
A System name
A ORACLE...........................SXI........20081004121019.....................................
A is used for RFC security.
A Sharedbuffer token: 41534050...33 (len: 111)====== 2b61c190857e36a8681ef39a...
A abap/pxa = shared protect gen_remote
A PXA INITIALIZATION FINISHED
A -PXA--
A
A ABAP ShmAdm initialized (addr=579F4000 leng=20955136 end=58DF0000)
A >> Shm MMADM area (addr=57E69DF0 leng=126176 end=57E88AD0)
A >> Shm MMDAT area (addr=57E89000 leng=16150528 end=58DF0000)
A RFC rfc/signon_error_log = -1
A RFC rfc/dump_connection_info = 0
A RFC rfc/dump_client_info = 0
A RFC rfc/cp_convert/ignore_error = 1
A RFC rfc/cp_convert/conversion_char = 23
A RFC rfc/wan_compress/threshold = 251
A RFC rfc/recorder_pcs not set, use defaule value: 2
A RFC rfc/delta_trc_level not set, use default value: 0
A RFC rfc/no_uuid_check not set, use default value: 0
A RFC Method> initialize RemObjDriver for ABAP Objects
A Hotpackage version: 9
M ThrCreateShObjects          allocated 10568 bytes at 0FFD0040
M ThVBStartUp: restart pending update requests
M
M ThVBAutoStart: update-auto-delete
N SsfSapSecin: putenv(SECUDIR=C:\usr\sap\SXI\DVEBMGS00\sec): ok
N SsfSapSecin: PSE C:\usr\sap\SXI\DVEBMGS00\sec\SAPSYS.pse found!
N
N =================================================
N === SSF INITIALIZATION:
N ===...SSF Security Toolkit name SAPSECULIB .
N ===...SSF trace level is 0 .
N ===...SSF library is C:\usr\sap\SXI\SYS\exe\run\sapsecu.dll .
N ===...SSF hash algorithm is SHA1 .
N ===...SSF symmetric encryption algorithm is DES-CBC .
N ===...sucessfully completed.
N =================================================
N MskiInitLogonTicketCacheHandle: Logon Ticket cache pointer retrieved from shared memory.
N MskiInitLogonTicketCacheHandle: Workprocess runs with Logon Ticket cache.
W =================================================
W === ipl_Init() called
W    ITS Plugin: Path dw_gui
W    ITS Plugin: Description ITS Plugin - ITS rendering DLL
W    ITS Plugin: sizeof(SAP_UC) 2
W    ITS Plugin: Release: 640, [6400.0.43.20020600]
W    ITS Plugin: Int.version, [31]
W    ITS Plugin: Feature set: [3]
W    ===... Calling itsp_Init in external dll ===>
W === ipl_Init() returns 0, ITSPE_OK: OK
W =================================================
M MBUF info for hooks: MS component UP
M ThSetEnqName: set enqname by profile
M ThISetEnqname: enq name = >starxi_SXI_00                           <
E
E *************** EnqId_EN_ActionAtMsUpHook ***************
E Hook on upcoming Ms (with EnqSrv), get auth EnqId and check it locally
E Enqueue Info: enque/disable_replication = 2
E Enqueue Info: replication disabled
E
E
E *************** ObjShMem_CheckAuthoritativeEnqId ***************
E Checking authoritative EnqId from EnqSrv into ObjShMem
E ObjShMem_CheckAuthoritativeEnqId: ObjShMem ...
E EnqId.EnqTabCreaTime    = -999
E EnqId.RandomNumber      = -999
E ReqOrd.TimeInSecs       = -999
E ReqOrd.ReqNumberThisSec = -999
E ObjShMem_CheckAuthoritativeEnqId: ObjShMem ...
E EnqId.EnqTabCreaTime    = -999
E EnqId.RandomNumber      = -999
E ReqOrd.TimeInSecs       = -999
E ReqOrd.ReqNumberThisSec = -999
E ObjShMem_CheckAuthoritativeEnqId: EnqId is initial in ShMem
E ObjShMem_CheckAuthoritativeEnqId: Overwrite incoming auth EnqId, continue
E EnqId inscribed into initial ObjShMem: (ObjShMem_CheckAuthoritativeEnqId)
E -SHMEM--
E EnqId:          EnqTabCreaTime/RandomNumber    = 20.10.2008 12:38:10 1224486490 / 4140
E ReqOrd at Srv: TimeInSecs/ReqNumberThisSec    = 20.10.2008 12:38:11 1224486491 / 1
E ReqOrd at Cli: TimeInSecs/ReqNumberThisSec    = 20.10.2008 12:38:11 1224486491 / 1
E Status:         STATUS_OK
E -
M ThActivateServer: state = STARTING
L Begin of BtcSysStartRaise
L Raise event SAP_SYSTEM_START with parameter <starxi_SXI_00       >
L End of BtcSysStartRaise
I
I MPI<c>9#3 Peak buffer usage: 5 (@ 64 KB)
M
M *** WARNING => ThCheckReqInfo: req_info & DP_CANT_HANDLE_REQ
M return number range rc 12
M *** WARNING => ThNoGet: get from object (cli/obj/subobj/range = 000/ALAUTOUID /      /01) returned rc 12
S
S server @>SSRV:starxi_SXI_00@< appears or changes (state 1)
B table logging switched off for all clients
S
S server @>SSRV:starxi_SXI_00@< appears or changes (state 1)
M
M hostaddrlist return 0
M
M hostaddrlist return 0
M
M hostaddrlist return 0
M hostaddrlist return 0
M hostaddrlist return 0
Regards,
Varun.

You probably made the same mistake as I did and added the tables manually to the "sample" database instead of the "sun-appserv-samples" database.
marc

Problem with Java after Software Update to 10.5.7

Hi,
I am facing problem with Java after having run Software upgrades.
Here is the whole story. I recently moved to iMac 10.5.6 from PowerPc 10.4. On this new machine I was having problem running a 3rd party application, which requires JVM. As this application worked well on Tiger, I decided to upgrade JVM on my iMAC using Software Upgrade(was I insane!!). As I like my systems to be updated (as with linux on my personal machine) I clicked "install all". As a result I have the following upgrades run on my machine:
2009-05-20 13:12:01 +0200: Installed "Mac OS X Update Combined" (10.5.7)
2009-05-20 13:12:10 +0200: Installed "Remote Desktop Client Update" (3.2.2)
2009-05-20 13:12:26 +0200: Installed "Java For Mac OS X 10.5 Update 2" (1.0)
2009-05-20 13:58:36 +0200: Installed "Java for Mac OS X 10.5 Update 3" (1.0)
2009-05-20 13:58:44 +0200: Installed "AirPort Utility Software Update 2009-001" (5.4.1)
2009-05-20 13:59:07 +0200: Installed "QuickTime" (7.6)
2009-05-20 13:59:22 +0200: Installed "iPhoto Update" (7.1.5)
2009-05-20 13:59:28 +0200: Installed "iLife Support" (9.0.2)
2009-05-20 13:59:38 +0200: Installed "iDVD Update" (7.0.3)
2009-05-20 13:59:58 +0200: Installed "iTunes" (8.1.1)
But now, simply running $java on the prompt hangs, i.e. it takes no action.
$ which java
/usr/bin/java
$ ls -ltr /usr/bin/java
May 20 15:09 /usr/bin/java -> /System/Library/Frameworks/JavaVM.framework/Versions/Current/Commands/java
$java (no response)
Here is the output of $ top
PID COMMAND %CPU TIME #TH #PRTS #MREGS RPRVT RSHRD RSIZE VSIZE
703 java 98.8% 0:38.54 3 110 72 480K 184K 1964K 40M
Any clues?
Details of JavaVM on my machine
$ pwd
/System/Library/Frameworks/JavaVM.framework/Versions
$ ls -ltr
total 56
drwxr-xr-x 3 root wheel 102 Dec 2 2007 1.3.1
lrwxr-xr-x 1 root wheel 3 Aug 31 2008 1.4.1 -> 1.4
drwxr-xr-x 8 root wheel 272 Aug 31 2008 1.4.2
drwxr-xr-x 8 root wheel 272 Aug 31 2008 1.5.0
lrwxr-xr-x 1 root wheel 5 May 20 13:12 1.3 -> 1.3.1
lrwxr-xr-x 1 root wheel 5 May 20 13:12 1.4 -> 1.4.2
lrwxr-xr-x 1 root wheel 5 May 20 13:12 1.5 -> 1.5.0
drwxr-xr-x 8 root wheel 272 May 20 13:12 1.6.0
lrwxr-xr-x 1 root wheel 5 May 20 13:12 1.6 -> 1.6.0
drwxr-xr-x 8 root wheel 272 May 20 13:12 A
lrwxr-xr-x 1 root wheel 1 May 20 14:57 Current -> A
lrwxr-xr-x 1 root wheel 3 May 20 14:59 CurrentJDK -> 1.5
Any suggestions? Is there a cleaner approach to uninstall Java on Mac then a simpl "move to thrash"!
cheers

Hi,
I am facing problem with Java after having run Software upgrades.
Here is the whole story. I recently moved to iMac 10.5.6 from PowerPc 10.4. On this new machine I was having problem running a 3rd party application, which requires JVM. As this application worked well on Tiger, I decided to upgrade JVM on my iMAC using Software Upgrade(was I insane!!). As I like my systems to be updated (as with linux on my personal machine) I clicked "install all". As a result I have the following upgrades run on my machine:
2009-05-20 13:12:01 +0200: Installed "Mac OS X Update Combined" (10.5.7)
2009-05-20 13:12:10 +0200: Installed "Remote Desktop Client Update" (3.2.2)
2009-05-20 13:12:26 +0200: Installed "Java For Mac OS X 10.5 Update 2" (1.0)
2009-05-20 13:58:36 +0200: Installed "Java for Mac OS X 10.5 Update 3" (1.0)
2009-05-20 13:58:44 +0200: Installed "AirPort Utility Software Update 2009-001" (5.4.1)
2009-05-20 13:59:07 +0200: Installed "QuickTime" (7.6)
2009-05-20 13:59:22 +0200: Installed "iPhoto Update" (7.1.5)
2009-05-20 13:59:28 +0200: Installed "iLife Support" (9.0.2)
2009-05-20 13:59:38 +0200: Installed "iDVD Update" (7.0.3)
2009-05-20 13:59:58 +0200: Installed "iTunes" (8.1.1)
But now, simply running $java on the prompt hangs, i.e. it takes no action.
$ which java
/usr/bin/java
$ ls -ltr /usr/bin/java
May 20 15:09 /usr/bin/java -> /System/Library/Frameworks/JavaVM.framework/Versions/Current/Commands/java
$java (no response)
Here is the output of $ top
PID COMMAND %CPU TIME #TH #PRTS #MREGS RPRVT RSHRD RSIZE VSIZE
703 java 98.8% 0:38.54 3 110 72 480K 184K 1964K 40M
Any clues?
Details of JavaVM on my machine
$ pwd
/System/Library/Frameworks/JavaVM.framework/Versions
$ ls -ltr
total 56
drwxr-xr-x 3 root wheel 102 Dec 2 2007 1.3.1
lrwxr-xr-x 1 root wheel 3 Aug 31 2008 1.4.1 -> 1.4
drwxr-xr-x 8 root wheel 272 Aug 31 2008 1.4.2
drwxr-xr-x 8 root wheel 272 Aug 31 2008 1.5.0
lrwxr-xr-x 1 root wheel 5 May 20 13:12 1.3 -> 1.3.1
lrwxr-xr-x 1 root wheel 5 May 20 13:12 1.4 -> 1.4.2
lrwxr-xr-x 1 root wheel 5 May 20 13:12 1.5 -> 1.5.0
drwxr-xr-x 8 root wheel 272 May 20 13:12 1.6.0
lrwxr-xr-x 1 root wheel 5 May 20 13:12 1.6 -> 1.6.0
drwxr-xr-x 8 root wheel 272 May 20 13:12 A
lrwxr-xr-x 1 root wheel 1 May 20 14:57 Current -> A
lrwxr-xr-x 1 root wheel 3 May 20 14:59 CurrentJDK -> 1.5
Any suggestions? Is there a cleaner approach to uninstall Java on Mac then a simpl "move to thrash"!
cheers

Problem with Java after System Upgrade to 10.5.7

Hi,
I am facing problem with Java after having run Software upgrades.
Here is the whole story. I recently moved to iMac 10.5.6 from PowerPc 10.4. On this new machine I was having problem running a 3rd party application, which requires JVM. As this application worked well on Tiger, I decided to upgrade JVM on my iMAC using Software Upgrade(was I insane!!). As I like my systems to be updated (as with linux on my personal machine) I clicked "install all". As a result I have the following upgrades run on my machine:
2009-05-20 13:12:01 +0200: Installed "Mac OS X Update Combined" (10.5.7)
2009-05-20 13:12:10 +0200: Installed "Remote Desktop Client Update" (3.2.2)
2009-05-20 13:12:26 +0200: Installed "Java For Mac OS X 10.5 Update 2" (1.0)
2009-05-20 13:58:36 +0200: Installed "Java for Mac OS X 10.5 Update 3" (1.0)
2009-05-20 13:58:44 +0200: Installed "AirPort Utility Software Update 2009-001" (5.4.1)
2009-05-20 13:59:07 +0200: Installed "QuickTime" (7.6)
2009-05-20 13:59:22 +0200: Installed "iPhoto Update" (7.1.5)
2009-05-20 13:59:28 +0200: Installed "iLife Support" (9.0.2)
2009-05-20 13:59:38 +0200: Installed "iDVD Update" (7.0.3)
2009-05-20 13:59:58 +0200: Installed "iTunes" (8.1.1)
But now, simply running $ java on the prompt hangs, i.e. it takes no action.
$ which java
/usr/bin/java
$ ls -ltr /usr/bin/java
May 20 15:09 /usr/bin/java -> /System/Library/Frameworks/JavaVM.framework/Versions/Current/Commands/java
$java (no response)
Here is the output of $ top
PID COMMAND %CPU TIME #TH #PRTS #MREGS RPRVT RSHRD RSIZE VSIZE
703 java 98.8% 0:38.54 3 110 72 480K 184K 1964K 40M
Any clues?
cheers

Hi man,
In the wake of this java problem I resorted to keep working on my old machine, and today in my spare time I tried to fix this new machine.
So I execute $java on prompt, and then try to check the files it has opened, using lsof -p pid
I see it referring to
/System/Library/Frameworks/JavaVM.framework/Versions/1.5.0/Home/bin/java
isn't this usually the JAVA_HOME
However, executing $/System/Library/Frameworks/JavaVM.framework/Versions/1.5.0/Home/bin/java
hangs!!
but
$/System/Library/Frameworks/JavaVM.framework/Versions/1.6.0/Home/bin/java
works!!
$ pwd
/System/Library/Frameworks/JavaVM.framework/Versions/1.6/Home/bin
$ ./java -version
java version "1.6.0_07"
Java(TM) SE Runtime Environment (build 1.6.0_07-b06-153)
Java HotSpot(TM) 64-Bit Server VM (build 1.6.0_07-b06-57, mixed mode)
So, I changed the links as follows
borgraf:Versions raveesh$ l
total 72
drwxr-xr-x 3 root wheel 102 Mar 6 2008 1.3.1
lrwxr-xr-x 1 root wheel 3 May 21 19:42 1.4.1 -> 1.4
drwxr-xr-x 8 root wheel 272 May 21 19:42 1.6.0
lrwxr-xr-x 1 root wheel 3 May 21 19:44 OldCurrentJDK -> 1.5
lrwxr-xr-x 1 root wheel 5 May 21 19:44 1.4 -> 1.4.2
lrwxr-xr-x 1 root wheel 5 May 21 19:44 1.3 -> 1.3.1
lrwxr-xr-x 1 root wheel 5 May 21 19:44 1.5 -> 1.5.0
drwxr-xr-x 8 root wheel 272 May 21 19:44 1.4.2
drwxr-xr-x 8 root wheel 272 May 21 19:44 1.5.0
lrwxr-xr-x 1 root wheel 5 May 21 19:44 1.6 -> 1.6.0
lrwxr-xr-x 1 root wheel 1 May 21 19:44 OldCurrent -> A
drwxr-xr-x 8 root wheel 272 May 21 19:44 A
lrwxr-xr-x 1 root wheel 3 Jun 4 17:14 CurrentJDK -> 1.6
lrwxr-xr-x 1 root wheel 3 Jun 4 17:21 Current -> 1.6
Linking my Current and CurrentJDK to 1.6 and it works!
However, shall that be the reason!
what is in your /Versions/Current/
I got the following
$ ls /System/Library/Frameworks/JavaVM.framework/Versions/Current
CodeResources Frameworks JavaVM
Commands Headers Resources
There is no /Home in here, which is usually the case for /1.5 or /1.6
Anyways, things seems to work for the moment. Lets see if I get problem with using Java.
thanks

A Problem with java

I have a question with the program.I have write a program that it about polynomial which is in order to desc. But my teacher want me to modify the program to in order to asc. But I don't have any idea with that. Can anyone give me some ideas for this. How can I modify it by easy method? The code is about that,
public class Polynomial
    private int degree;
    private Node head;
    public static Polynomial addPolys(Polynomial poly1, Polynomial poly2)
        Polynomial polyRes = new Polynomial();
        int power = (poly1.degree > poly2.degree) ? poly1.degree : poly2.degree;
        while (power >= 0)
            Node n1 = poly1.head;
            while (n1 != null)
                if (n1.power == power)
                    break;
                n1 = n1.next;
            Node n2 = poly2.head;
            while (n2 != null)
                if (n2.power == power)
                    break;
                n2 = n2.next;
            if ((n1 != null) && (n2 != null))
                polyRes.addNode(n1.coeff + n2.coeff, n1.power);
            else if (n1 != null)
                polyRes.addNode(n1.coeff, n1.power);
            else if (n2 != null)
                polyRes.addNode(n2.coeff, n2.power);
            power--;
        return polyRes;
    public void addNode(int coeff, int power)
        if (head == null)
            head = new Node(coeff, power, null);
            degree = power;
        else
            Node n = head;
            Node last = null;
            while (n != null)
                if (power > n.power)
                    if (last == null)
                        head = new Node(coeff, power, n);
                    else
                        last.next = new Node(coeff, power, n);
                    degree = power;
                    break;
                last = n;
                n = n.next;
            if (n == null)
                last.next = new Node(coeff, power, null);
    public class Node
        public int coeff;
        public int power;
        public Node next;
        public Node(int coeff, int power, Node next)
            this.coeff = coeff;
            this.power = power;
            this.next = next;
    public String toString()
        StringBuffer strBuf = new StringBuffer();
        Node n = head;
        while (n != null)
            if (n.coeff >= 0)
                strBuf.append("+ ").append(n.coeff);
            else
                strBuf.append("- ").append(-(n.coeff));
            if (n.power > 1)
                strBuf.append("x^").append(n.power);
            else if (n.power == 1)
                strBuf.append("x");
            strBuf.append(" ");
            n = n.next;
        return strBuf.toString();
}

In the future, please use a meaningful subject. "A Problem with Java" contains no information, since by the very fact that you're posting here, it's obvious that you're having a problem with Java. The subject line should give a high level overview of what kind of problem you're having, so people can decide if they're interested and qualified to answer.

Problems with java j2re using mozilla

Hi,
i'm using j2re1.4.2_05 plugin for mozilla in linux (Fedora Core 2). My internet access goes throught a router (SMC Networks ISDN Barricade SMC7301TA). It's settings can be edited throught a web browser LAN connection. And here the problems begin. On routers settings page a java output console (for error and other messages) is running, which doesn't work, despite java applications on other web pages work well (I tested it on sun's java test page and it's working properly). Java console exits the following errorr message:
>
load: class DynamicTable.class not found.
java.lang.ClassNotFoundException: DynamicTable.class
     at sun.applet.AppletClassLoader.findClass(Unknown Source)
     at java.lang.ClassLoader.loadClass(Unknown Source)
     at sun.applet.AppletClassLoader.loadClass(Unknown Source)
     at java.lang.ClassLoader.loadClass(Unknown Source)
     at sun.applet.AppletClassLoader.loadCode(Unknown Source)
     at sun.applet.AppletPanel.createApplet(Unknown Source)
     at sun.plugin.AppletViewer.createApplet(Unknown Source)
     at sun.applet.AppletPanel.runLoader(Unknown Source)
     at sun.applet.AppletPanel.run(Unknown Source)
     at java.lang.Thread.run(Unknown Source)
Caused by: java.io.IOException: open HTTP connection failed.
     at sun.applet.AppletClassLoader.getBytes(Unknown Source)
     at sun.applet.AppletClassLoader.access$100(Unknown Source)
     at sun.applet.AppletClassLoader$1.run(Unknown Source)
     at java.security.AccessController.doPrivileged(Native Method)
     ... 10 more
Is there a way to fix this problem? Cause without the command output it's mearly unpossible to configure the router.

Yes i can make changes. Not everything is realised with java, just the output console, which reports if the changes i made succeded, prints out logs, gives additional info about some settings etc. So, i can make changes, but i have no response, for example: everytime i save something i don't know if the save was succesful. I can't take a look at IP routing table and DHCP configuration...
On windows xp, using internet explorer (the default version for xp) everything works perfect. But mozilla for windows has also problems with java. I know i can still change settings on wins, but right now i'm having some problems with networking on linux and i have to set things up in it (besides i use wins only because of school purposes).

Problems with Java SE6

Hi. My system is updated (Mac OS X version 10.6.8) but I can not use Java.
I have enabled "applet plug-in...." in Java preferences - and have seen this
message on the Java site:
Java for Mac
Check your version of Mac OS X. » How do I find my Mac OS X version?
Mac OS X Version 10.6 and below
Use Software Update available on the Apple menu to check that you have the most up-to-date version of Java 6 for your Mac. Java 7 is not supported by these older versions of Mac OS X. If you have problems with Java 6, contact Apple Technical Support. Java.com does not provide a download for these systems.
Mac OS X Version 10.7.3 (Lion) or newer
Java 7 can run on your Mac. Java 7 requires an Intel-based Mac running Mac OS X 10.7.3 (Lion) or later and administrator privileges for installation.
» Information about installing and using Java 7 on Mac
- so must I contact Apple technical support - Java does not supply download for my system? Am very confused.
Hope somebody can help
jeschaz

Apple barred Java from running on Macs in order to safeguard users by blocking Java 7 Update 11 and adding it to the banned list in XProtect.
This was the second time in two weeks that Apple had blocked Oracle's code from running on Macs. The threat was so serious that the U.S. Department of Homeland Security had recommended that all Java 7 users disable or uninstall the software until a patch was issued. This time Java is blocked through Apple's XProtect anti-malware feature.
Java has come under fire as the means by which hackers have been able to gain control of computers. In April 2012 more than 600,000 Macs were reported to have been infected with a Flashback Trojan horse that was being installed on people's computers with the help of Java exploits. Then in August Macs were again at risk due to a flaw in Java, this time around, there was good news for Mac users: Thanks to changes Apple has made, most of us were safe from the threat.
Unwilling to leave its customers open to potential threats Apple decided it's safer to block Java entirely.
In order to block older versions of Flash, Apple has updated its "Xprotect.plist" file so that any versions that come before the current one (version 11.6.602.171) cannot be used on a Mac. Users who have older versions of Flash installed will be greeted with an alert that says "Blocked plug-in," and Safari will prompt the user to update to a newer version.
Macs running OS X Snow Leopard and beyond are affected.
UPDATE for those running Lion or Mountain Lion:
Oracle on Friday February 1 released a new version reportedly addressing vulnerabilities seen with the last build.
Apple disabled Java 7 through the OS X XProtect anti-malware system, requiring users to have at least version "1.7.0_10-b19" installed on their Macs. The release dated February 1 carries the designation "1.7.0_13-b20," meeting Apple's requirements.
Oracle "strongly recommends" applying the CPU fixes as soon as possible, saying that the latest Critical Patch Update contains 50 new security fixes across all Jave SE products.
Update for Snow Leopard users:
Apple issued update 12 for Java for OS 10.6:
http://support.apple.com/kb/DL1573
Note: On systems that have not already installed Java for Mac OS X 10.6 update 9 or later, this update will configure web browsers to not automatically run Java applets. Java applets may be re-enabled by clicking the region labeled "Inactive plug-in" on a web page. If no applets have been run for an extended period of time, the Java web plug-in will deactivate.
If, after installing Java for OS X 2013-002 and the latest version of Java 7 from Oracle, you want to disable Java 7 and re-enable the Apple-provided Java SE 6 web plug-in and Web Start functionality, follow these steps:
http://support.apple.com/kb/HT5559?viewlocale=en_US
Further update:
Apple issued this Java related security update No. 13 on February 19:
http://support.apple.com/kb/HT5666
and Update No. 14 on March 4: http://support.apple.com/kb/DL1573
http://support.apple.com/kb/HT5677
You should also read this:
https://support.apple.com/kb/HT5672
The standard recommendation is for users to turn off Java except when they have to use it on known and trusted websites (like their bank). Javascript, which is unrelated despite the name, can be left on.
Further useful comment in this article:
http://www.macworld.co.uk/macsoftware/news/?newsid=3435007&olo=email
However, if you need the Jave 6 JRE and plug-in:
http://support.apple.com/kb/HT5559

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