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Re: [sumo-user] Previous stage output not available in TraCI 
Hi,
can you try to run tools/build/version.py manually and post the output?
Also please make sure you do not have any old sumolib installed.

Best regards,
Michael

Am 2020-08-17 14:55, schrieb Tripplanner Mumbai:

Hello Jakob,
I tried the version was updated on August 16 and found the same errors.
Then, as per your instructions, I ran "make clean" followed by "make
VERBOSE=1" inside cmake-build folder. Again, the ended in errors.
The output of "make VERBOSE=1" instruction is attached herewith. Note that 
I am using Ubuntu 18.04 as operating system.
thanks and regards,
Dillip Rout
On Mon, 17 Aug 2020 at 14:42, Jakob Erdmann <namdre.sumo@xxxxxxxxx> wrote: 


in the cmake-build folder:
Please run 'make clean'
and then post the output of
'make VERBOSE=1'

Am So., 16. Aug. 2020 um 18:35 Uhr schrieb Tripplanner Mumbai <
tripplanner.dr@xxxxxxxxx>:
The message "Makefile:140: recipe for target 'all' failed" is a summary 
message.


a) post the output of the make-run to the list

sudo make -j$(grep -c ^processor /proc/cpuinfo) |& tee
makefile-output.txt


Ended in following error:
Makefile:140: recipe for target 'all' failed
make: *** [all] Error 2
b) run step 5 twice (the second step compiles only the erroneous step 
again, so the second message might show up)

sudo make -j$(grep -c ^processor /proc/cpuinfo)

sudo make


Ended in Error:
Makefile:140: recipe for target 'all' failed
make: *** [all] Error 2


c) try a newer version


All the above errors are respect to August 15 version.

d) Someone else in this user group has an idea






Hello Harald,

No, I did not get any other errors. Should I try other version?
thanks and regards,
Dillip Rout
On Fri, 7 Aug 2020 at 11:20, Harald Schaefer <fechsaer@xxxxxxxxx> wrote: 


Hello Dillip,

there must be another error in the output of the makefile.

If you run step 5 without the -j option (just sudo make), the other
error should be at the end too.

Greetings, Harald
Am 07.08.20 um 07:06 schrieb Tripplanner Mumbai:

Hello Jakob,
Thank you for taking so much of effort to correct the null pointer.
I downloaded the latest version of August 5 and followed the following 
steps for installing SUMO on my Ubuntu 18.04 machine.

   1.
sudo apt-get install cmake python g++ libxerces-c-dev libfox-1.6-dev 
   libgdal-dev libproj-dev libgl2ps-dev swig
   2.

   export SUMO_HOME="$PWD/sumo"
   3.

   sudo mkdir sumo/build/cmake-build && cd sumo/build/cmake-build
   4.

   sudo cmake ../..
   5.

   sudo make -j$(grep -c ^processor /proc/cpuinfo)
   6.

   sudo make install

However,Step-5 resulted in the following error while installation:
[ 2%] Linking CXX static library libutils_xml.a [ 2%] Built target utils_xml Makefile:140: recipe for target 'all' failed make: *** [all] 
Error 2
Kindly look into the issue.
with best regards,
Dillip Rout


On Mon, 3 Aug 2020 at 19:19, Jakob Erdmann <namdre.sumo@xxxxxxxxx>
wrote:


Please try again with the latest development version tomorrow (
https://github.com/eclipse/sumo/issues/7336).

Am Mi., 22. Juli 2020 um 14:08 Uhr schrieb Tripplanner Mumbai <
tripplanner.dr@xxxxxxxxx>:
Finally, I installed SUMO through the command line (sudo apt install SUMO) and tried to get the previous stage data through TraCI but again the same issues persist here, i.e., it goes for exception and the program 
stops.
It is a prolonged question which is yet to be answered by anyone,
will I get an answer for it?

On Sat, 11 Jul 2020 at 11:53, Tripplanner Mumbai <
tripplanner.dr@xxxxxxxxx> wrote:


Again, accessing previous stage data leads to error when I tried
with the latest development version which was updated on July 9.

On Thu, 9 Jul 2020 at 17:20, Tripplanner Mumbai <
tripplanner.dr@xxxxxxxxx> wrote:


Hello,
I had raised this question long time ago that the TraCI program is unable to find the previous stage information incase the current stage has been completed successfully. Particularly I was trying to extract the 
following information from the previous stage.

*         print("previous
stage","type",prevStage.type,"dest",prevStage.destStop,"travel time", prevStage.travelTime, "distance",prevStage.length,"depart time", 
prevStage.depart)*

Unfortunately, the output does not contain all the required
information, as shown below.
*previous stage type 3 dest busStop#12 travel time -1.0 
distance 672.437702712895 depart time -0.001*
@Jakob replied: that information was previously missing from the 
stage output (https://github.com/eclipse/sumo/issues/7274). You
can download the updated version tomorrow and find out the desired result.
Surprisingly, when I tried to execute the TraCI code (demo-i.py) 
after installing the latest version (updated on July 5),  I got
some exceptions now which were not there in the previous versions. In 
particular I am getting the following error:
          *Error in Previous Stage retrieval, so, skip this
personID:  2229*
* , *which is due to line number 97 in my TraCI program.
Kindly check the issues in the development version and suggest to me. I am enclosing the network and corresponding codes for tracing the 
issue.

regards,
Dillip Rout

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