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3044 discussions

checking if the JVM really works...
by David Gourdelier 15 Jun '04

15 Jun '04

Hi, Looks like there is a problem with Pike's configure and Java. I have the latest JRE and Pike's configure says: configure:3922: checking if the JVM really works configure:4005: gcc -o conftest -g -I. -I/usr/local/j2ee/jdk/jre/../include/linux -I/usr/local/j2ee/jdk/jre/../include -L/usr/local/j2ee/jdk/jre/lib/i386 -R/usr/lo cal/j2ee/jdk/jre/lib/i386 -L/usr/local/j2ee/jdk/jre/lib/i386/native_threads -R/usr /local/j2ee/jdk/jre/lib/i386/native_threads -L/usr/local/j2ee/jdk/jre/lib/i386/ser ver -R/usr/local/j2ee/jdk/jre/lib/i386/server -L/usr/local/j2ee/jdk/jre/lib/i386/c lient -R/usr/local/j2ee/jdk/jre/lib/i386/client conftest.c -ljvm >&5 gcc: unrecognized option `-R/usr/local/j2ee/jdk/jre/lib/i386' gcc: unrecognized option `-R/usr/local/j2ee/jdk/jre/lib/i386/native_threads' gcc: unrecognized option `-R/usr/local/j2ee/jdk/jre/lib/i386/server' gcc: unrecognized option `-R/usr/local/j2ee/jdk/jre/lib/i386/client' configure:4008: $? = 0 configure:4010: ./conftest ./conftest: error while loading shared libraries: libjvm.so: cannot open shared object file: No such file or directory gcc (GCC) 3.3.3 (Debian 20040422) Pike 7.6 / David

5 14

Broken ADT.Priority_queue?
by Marcus Agehall (Scanian) ＠ Pike (-) developers forum 14 Jun '04

14 Jun '04

I just tried to use ADT.Priority_queue like this: object q = ADT.Priority_queue(); q->push(1,1); q->pop(); and this code hangs my computer almost completely using Pike 7.7 from CVS. Can someone reproduce the problem or tell me if I'm doing something wrong in my code?

2 2

segfault in red-black?
by Mirar ＠ Pike developers forum 13 Jun '04

13 Jun '04

How interesting is this? Should I persue it further? (Pike 7.7 from CVS tuesday.) Program received signal SIGSEGV, Segmentation fault. 0x080c28d0 in multiset_delete_node (l=0x82fd00c, nodepos=1) at /home/mirar/pike/src/multiset.c:2559 2559 while (RBNODE (node) != existing) LOW_RB_TRACK_PREV (rbstack, node); (gdb) bt #0 0x080c28d0 in multiset_delete_node (l=0x82fd00c, nodepos=1) at /home/mirar/pike/src/multiset.c:2559 #1 0x080bfec4 in multiset_next (l=0x82fd00c, nodepos=2) at /home/mirar/pike/src/multiset.c:1757 #2 0x08127a6f in foreach_iterate (o=0x85e8b28, do_step=1) at iterators.cmod:1944 #3 0x0807189f in test_opcode_F_FOREACH_LOOP () at interpret_functions.h:1416 #4 0x083eadf3 in ?? () #5 0x00000011 in ?? () #6 0x00000001 in ?? () #7 0x0000000f in ?? () #8 0x4020d6d0 in __after_morecore_hook () from /lib/libc.so.6 #9 0x4020cc40 in ?? () from /lib/libc.so.6 #10 0xbfffee20 in ?? () #11 0x000000d2 in ?? () void draw2() { Node node1=this; -> foreach (indices(links);;Node node2) { passed->line(node1->x,node1->y, node2->x,node2->y, 255,0,0); } }

2 4

Remote bug
by Kaos 13 Jun '04

13 Jun '04

Hi guys, Found a bug in Remote module. When calling Client->provide(), the argument order is swapped so the name and object gets mixed up. Easy fix: Change context.pike:242 from: void add(object o, string id) to: void add(string id, object o) Oh, just checked recent sources (7.7 tree) vs. my version (7.4.44) to see if it's been fixed and found that the code has been moved around so the context class now lies in module.pike, but *the bug is still present*. Cheers, Andreas

2 1

Stdio.File sockets not getting closed in 7.6
by Bill Welliver 13 Jun '04

13 Jun '04

I've been battling a problem with 7.6 recently that I hadn't had in the 7.5 versions I'd previously been running. My code creates, over time, a large number of short lived Protocol.LDAP.client objects. The problem that I'm having is that even if I explicitly destruct these objects, I end up with a large number of sockets that are in CLOSE_WAIT state. Eventually, this number of sockets increases to the point where I run out of FDs. The only way to clear the sockets completely is to call gc(), which I've resorted to every 5 minutes through a call out to solve the problem. To me, this sounds like a problem. Anyone else have any thoughts? Bill

2 3

Bug in Protocols.HTTP.Session
by David Gourdelier 08 Jun '04

08 Jun '04

Hi, While developping a non blocking HTTP client for Protocols.XMLRPC I went throught a problem with Protocols.HTTP.Session (with Pike 7.6). Here is the testcode: void data_ok(mixed result) { write("result=%O\n", result); } void fail() { write("fail\n"); } int main(int argc, array argv) { object async_client = Protocols.XMLRPC.AsyncClient("http://www.oreillynet.com/meerkat/xml-rpc/server.php"); async_client["system.listMethods"](data_ok, fail); async_client["system.listMethods"](data_ok, fail); return -1; } The first async_client fail sometime (not always) because ->data() from the Request object returned by Protocols.HTTP.Session returned the empty string while the query is valid and the answer from the server ok. However the second call always succeeded. Now if I remove one call to async_client->`[] everything went fine. The code of the class is as follow: class AsyncClient { static object request; static function user_data_ok; static string _url; void create(string|Standards.URI|Protocols.HTTP.Session.SessionURL url) { _url = url; } static void _data_ok() { mixed result; // sometimes request->data() is "" even if query succeed an answer // from HTTP server is ok if(request) result = decode_response(request->data()); user_data_ok(result); } function `[](string call) { return lambda(function data_ok, function fail, mixed ...args) { user_data_ok = data_ok; request = Protocols.HTTP.Session()->async_do_method_url( "POST", _url, 0, encode_call( call, args ), ([ "content-type":"text/xml"]), 0, _data_ok, fail, ({ })); }; } } Example of a failed query: <- "" <- "" <- "POST /meerkat/xml-rpc/server.php HTTP/1.1\r\nConnection: Keep-Alive\r\nContent-length: 112\r\nUser-agent: Mozilla/5.0 (compatible; MSIE 6.0; Pike HTTP client) Pike/7.6.9\r\nContent-type: text/xml\r\nHost: www.oreillynet.com\r\n\r\n<?xml version=\"1.0\"?>\n<methodCall>\n<methodName>system.listMethods</methodName>\n< params>\n</params>\n</methodCall>\n" <- "POST /meerkat/xml-rpc/server.php HTTP/1.1\r\nConnection: Keep-Alive\r\nContent-length: 112\r\nUser-agent: Mozilla/5.0 (compatible; MSIE 6.0; Pike HTTP client) Pike/7.6.9\r\nContent-type: text/xml\r\nHost: www.oreillynet.com\r\n\r\n<?xml version=\"1.0\"?>\n<methodCall>\n<methodName>system.listMethods</methodName>\n< params>\n</params>\n</methodCall>\n" -> 1101 bytes of data ** 448 bytes of header; 640 bytes left in buffer (pos=461) Attempt to index the empty array with 0. /usr/local/pike/7.6.9/lib/modules/Protocols.pmod/XMLRPC.pmod/module.pmod:267: Protocols.XMLRPC->decode("","\n<!DOCTYPE methodResponse [\n <!ELEMENT methodResponse (params|fault)>\n <!ELEMENT fault (value)>\n\n <!ELEMENT params (param*)>\n <!ELEMENT param (value)>\n\n <!ELEMENT value (#PCDA"+[534]) /usr/local/pike/7.6.9/lib/modules/Protocols.pmod/XMLRPC.pmod/module.pmod:98: Protocols.XMLRPC->decode_response("") /usr/local/pike/7.6.9/lib/modules/Protocols.pmod/XMLRPC.pmod/module.pmod:394: Protocols.XMLRPC.AsyncClient()->_data_ok() /usr/local/pike/7.6.9/lib/modules/Protocols.pmod/HTTP.pmod/Session.pike:317: Request("http://www.oreillynet.com/meerkat/xml-rpc/server.php" - connected - 1101 bytes received)->async_data() /usr/local/pike/7.6.9/lib/modules/Protocols.pmod/HTTP.pmod/Query.pike:986: Protocols.HTTP.Session()->SessionQuery(200 OK)->async_fetch(Request("http: //www.oreillynet.com/meerkat/xml-rpc/server.php" - connected - 1101 bytes received)->async_data) /usr/local/pike/7.6.9/lib/modules/Protocols.pmod/HTTP.pmod/Session.pike:295: Request("http://www.oreillynet.com/meerkat/xml-rpc/server.php" - connected - 1101 bytes received)->async_ok(Protocols.HTTP.Session()->SessionQuery(2 00 OK)) /usr/local/pike/7.6.9/lib/modules/Protocols.pmod/HTTP.pmod/Query.pike:135: Protocols.HTTP.Session()->SessionQuery(200 OK)->ponder_answer(0) /usr/local/pike/7.6.9/lib/modules/Protocols.pmod/HTTP.pmod/Query.pike:224: Protocols.HTTP.Session()->SessionQuery(200 OK)->async_read(0,"HTTP/1.1 200 OK\r\nDate: Tue, 08 Jun 2004 15:43:22 GMT\r\nServer: Apache/1.3.29 (Unix) PHP/4.3.4 mod_perl/1.29\r\nP3P: policyref=\"http://www.oreillynet.com/w3c /p3p.xml\",CP=\"CAO DSP COR CURa ADMa DEVa T"+[907]) /usr/local/pike/7.6.9/lib/modules/Stdio.pmod/module.pmod:815: Stdio.File("socket", "208.201.239.37:80", 777 /* fd=11 */)->__stdio_read_c allback() _static_modules.Builtin()->Backend: Pike.Backend(0)->`()() -> 1120 bytes of data ** 467 bytes of header; 640 bytes left in buffer (pos=480) fetch data: 640 bytes needed, got 640, 0 left buf[datapos..] : "<?xml version=\"1.0\"?" buf[..datapos+len] : ">\n</methodResponse>" result=({ /* 1 element */ ({ /* 9 elements */ "meerkat.getChannels", "meerkat.getCategories", "meerkat.getCategoriesBySubstring", "meerkat.getChannelsByCategory", "meerkat.getChannelsBySubstring", "meerkat.getItems", "system.listMethods", "system.methodHelp", "system.methodSignature" }) }) Also I'd like to know if there are practical examples of how to use keep-alive with Protocols.HTTP.Session and how does it work basically (especially I don't understand give_me_connection since it returns a Query object, shouldn't it returned a Request object ?). / David

1 0

Data types in foreach
by Alexander Demenshin 06 Jun '04

06 Jun '04

Hi there, Just found that following construct: mapping m = ([ "key": "value" ]); array a = ({ m }); foreach (a; ; int v) // Note the type of v write("%O", v); ...does work (7.6.6) - it prints mapping, while typeof(v) is int (_typeof(v) is mapping, however). Actually, it doesn't matter which type is used to declare v - it will work anyway - both for indexes and values: foreach (anyvalue; int k; int v) // This will always work, regardless write("%O=%O\n", k, v); // of type of anyvalue and it's elements Seems to be a bug or? Regards, /Al

3 2

Protocols.[SL]MTP.Server and return codes.
by Xavier Beaudouin 04 Jun '04

04 Jun '04

Hello there, I am working on making some SPF/SRS compliant LMTP/SMTP forwarder. I am asking that callbacks (cb_mailfrom / cb_rcptto / cb_data) to return int|array instead of int. Why ? Because some special application can return a message different that "only" "250 Requested mail action okay, completed". For example, I want to add message id inside this 250 after data eg : 250 Requested DATA action okay, message queue id 12120910.2244 Also when rejecting on RCPT TO: I'd like to say why : 550 - SPS mail from invalid : too old Can I do such modification on 7.7 and 7.6 tree as well ? /Xavier -- Xavier Beaudouin - Unix System Administrator & Projects Leader. President of Kazar Organization : http://www.kazar.net/ Please visit http://caudium.net/, home of Caudium & Camas projects

2 2

expected?
by Mirar ＠ Pike developers forum 31 May '04

31 May '04

Is this the expected behaviour when accidentally choosing a directory as the master? % pike -m . /home/mirar/pike/src/object.c:477: Fatal error: low_read_file(.) failed, errno=21 No stack - no backtrace. zsh: abort pike -m .

3 4

FreeType woes
by Fredrik (Naranek) Hubinette (Real Build Master) ＠ Pike (-) developers forum 31 May '04

31 May '04

Anybody here recognize this bug? http://fredrik.hubbe.net/hacker/viewtopic.php?t=162 Cliff notes: Image.Fonts.Font in Pike 7.6.6-2 fails to render images.

3 3

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