Dev. 6.0 java reports

After opening RunReportTester.html in IE4.0, entering fields and
pressing trun reportv button nothing happens and no reports in
report server queue.
FROM JAVA CONSOLE
Exception occurred during event dispatching:
java.lang.NoClassDefFoundError:
oracle/reports/idl/v1/ReportsError
at oracle/reports/runtime/RunReport.actionPerformed
at java/awt/Button.processActionEvent
at java/awt/Button.processEvent
at java/awt/Component.dispatchEventImpl
at java/awt/Component.dispatchEvent
at java/awt/WUIPeer.handleEvent
at java/awt/WButtonPeer.handleEvent
at java/awt/Component.postEvent
at com/ms/ui/AwtUIHost.postEvent
at java/awt/WUIPeer.postEvent
at com/ms/ui/UIRoot.postEvent
at com/ms/ui/UIComponent.postEvent
at com/ms/ui/UIStateContainer.postEvent
at com/ms/ui/UIButton.?
at com/ms/ui/UIButton.mouseClicked
at com/ms/ui/UIComponent.handleEvent
at com/ms/ui/UIComponent.postEvent
at com/ms/ui/UIStateContainer.postEvent
at com/ms/ui/UIComponent.postEvent
at com/ms/ui/UIStateComponent.postEvent
at com/ms/ui/UIRoot.?
at com/ms/ui/UIRoot.forwardEvent
at com/ms/ui/AwtUIHost.postEvent
at java/awt/WUIPeer.postEvent
at com/ms/ui/AwtUIHost.processEvent
at java/awt/Component.dispatchEventImpl
at java/awt/Container.dispatchEventImpl
at java/awt/Component.dispatchEvent
at java/awt/EventDispatchThread.run
Could somebody help me to solve this problem ?
Where are working examples ?
How to use oracle.reports.runtime.RunReport class from web
browser (applet like) or java-forms (bean like) ?
null

Scott H. (guest) wrote:
: It seems there may be a problem when trying to use the generate
: delimited output command in Developer 6.0 Reports run-time.
: I have a report with a formula column that performs a simple
: calculation 'x is what percent of y,' where x and y are fields
on
: the report. From Report Builder I can preview the report and
: generate delimited output without any problems. It is quite
: nice. Unfortunately this is not true when using the run-time
: exacutable outside of Report Builder.
: The report runs without a problem, but when I choose to
generate
: to a file as delimited output (comma delimited with quotes as
: cell wrappers) I receive the error:
: 'REP-1249 Column <column name> has no PL/SQL formula.' It
seems
: that summary columns work fine, but if the report contains a
: formula column then it fails. If I remove the formula column
and
: generate to a file as delimited output it works fine.
: Does anyone have any suggestions as to how to solve this
problem?
: Thanks,
: Scott H.
Hi Scott,
could only guess, but try to have your report compiled to a .rep
file instead of using .rdf. Maybe it helps.
null

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Solaris8 and 9 (possibly 7) /dev/poll driver bug report.

Hello,
I'd like to report a bug in the solaris 8 and 9 /dev/poll driver (poll(7d)).
As i do not have a support account with sun or anything like that, there
seems to be no other way to do that here (which is of course a very sad
thing).
Bug details:
The /dev/poll device provides an ioctl-request (DP_ISPOLLED) for checking
if a particular filedescriptor is currently in the set of monitored
filedescriptors for that particular /dev/poll fd set (open /dev/poll fd).
A quote from the documentation of the poll(7d) manual page taken from
Solaris9:
"DP_ISPOLLED ioctl allows you to query if a file descriptor is already in
the monitored set represented by fd. The fd field of the pollfd structure
indicates the file descriptor of interest. The DP_ISPOLLED ioctl returns 1
if the file descriptor is in the set. The events field contains the
currently polled events. The revents field contains 0. The ioctl returns 0
if the file descriptor is not in the set. The pollfd structure pointed by
pfd is not modified. The ioctl returns a -1 if the call fails."
It says that when you query for an filedescriptor which is currently being
monitored in the set, that it would return 1, and change the events field of
the pollfd structure to the events it's currently monitoring that fd for.
The revents field would be set to zero.
However the only thing which actually happens here, is that FD_ISPOLLED
returns 1 when the fd is in the set and 0 if not. When the fd is in the
set, when FD_ISPOLLED returns 1, the events field remains unmodified, but
the revents field gets changed.
A small sample code to illustrate:
#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/devpoll.h>
main() {
struct pollfd a;
int dp_fd = open("/dev/poll", O_WRONLY);
a.fd = 0; /* stdin */
a.events = POLLIN; /* we monitor for readability, POLLIN=1 */
a.revents = 0;
write(dp_fd, &a, sizeof(a));
a.fd = 0;
a.events = 34; /* filled in with bogus number to show malfunctioning */
a.revents = 0;
printf("DP_ISPOLLED returns: %d\n", ioctl(dp_fd, DP_ISPOLLED, &a));
printf("a.fd=%d, a.events=%hd, a.revents=%hd\n", a.fd, a.events,
a.revents);
According to the documentation of /dev/poll and namely DP_ISPOLLED this
program is supposed to print the following:
DP_ISPOLLED returns: 1
a.fd=0, a.events=1, a.revents=0
However it prints the following:
DP_ISPOLLED returns: 1
a.fd=0, a.events=34, a.revents=1
You can take any number instead of '34' and it will simply remain untouched
after the DP_ISPOLLED ioctl-request.
I hope it's clear now that the solaris8 and solaris9 (and probably solaris7
with /dev/poll patch too) DP_ISPOLLED implementation is broken.
This bug is also easily illustrated by looking at the solaris8 kernel sourcecode:
<snippet osnet_volume/usr/src/uts/common/io/devpoll.c:dpioctl()>
case DP_ISPOLLED:
pollfd_t pollfd;
polldat_t *pdp;
if (pollfd.fd < 0) {
mutex_exit(&pcp->pc_lock);
break;
pdp = pcache_lookup_fd(pcp, pollfd.fd);
if ((pdp != NULL) && (pdp->pd_fd == pollfd.fd) &&
(pdp->pd_fp != NULL)) {
pollfd.revents = pdp->pd_events;
if (copyout(&pollfd, (caddr_t)arg,
sizeof(pollfd_t))) {
mutex_exit(&pcp->pc_lock);
DP_REFRELE(dpep);
return (set_errno(EFAULT));
*rvalp = 1;
</snippet>
its' clearly visible that the code writes the current monitored events to
the revents field:
'pollfd.revents = pdp->pd_events;'
and that it doesnt set revents to zero.
It's funny to see that this has been like this since Solaris8 (possibly 7). That means nobody ever used DP_ISPOLLED that way or people were simply to lazy to file a bug report.
Another funny thing related to this. is that Hewlett-Packard did seem to know about this. Since HP-UX11i version 1.6 they also support /dev/poll. From their manual page i ll quote some sentences from their WARNING session:
"The ioctl(DP_ISPOLLED) system call also returns its result in the revents member of the pollfd structure, in order to be compatible with the implementation of the /dev/poll driver by some other vendors."
Hopefully this will get fixed.
I also like to reexpress my very negative feelings towards the fact that you're not able to file bug reports when you do not have a support contract. Ridiculous.
Thanks,
bighawk

Have I mentioned how much i love my playbook now Great job on os 2.0

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