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<title>MultiChain Developer Q&amp;A - Recent questions tagged flag</title>
<link>https://www.multichain.com/qa/tag/flag</link>
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<title>About tx error: setting INVALID flag.</title>
<link>https://www.multichain.com/qa/6853/about-tx-error-setting-invalid-flag</link>
<description>Hi,&lt;br /&gt;
&lt;br /&gt;
We are doing high speed load testing.&lt;br /&gt;
We are currently testing multichain 1.01 (protocol 10009) on three ubuntu Linux servers.&lt;br /&gt;
&amp;nbsp;&lt;br /&gt;
&lt;br /&gt;
Each of the three servers executes the 'send' command at the maximum speed to the other two servers.&lt;br /&gt;
The following '... was not accepted to mempool, setting INVALID flag' error will occured.&lt;br /&gt;
&lt;br /&gt;
If appropriate time delay was given between sends, the above problem does not occur.&lt;br /&gt;
&lt;br /&gt;
'... setting INVALID flag'&lt;br /&gt;
This error seems to be caused by sending transactions at a high speed between the servers.&lt;br /&gt;
Sending a transaction at high speed only from one server does not cause this error.&lt;br /&gt;
&lt;br /&gt;
Once this error occurs, it will continue to appear.&lt;br /&gt;
What causes this error, and how do you remove the transaction?&lt;br /&gt;
&lt;br /&gt;
Or what settings or methods are needed to prevent this error?&lt;br /&gt;
&lt;br /&gt;
&amp;nbsp;&lt;br /&gt;
&lt;br /&gt;
&amp;nbsp;&lt;br /&gt;
&lt;br /&gt;
$ multichain-cli mc getinfo&lt;br /&gt;
{&amp;quot;method&amp;quot;:&amp;quot;getinfo&amp;quot;,&amp;quot;params&amp;quot;:[],&amp;quot;id&amp;quot;:1,&amp;quot;chain_name&amp;quot;:&amp;quot;mc&amp;quot;}&lt;br /&gt;
&lt;br /&gt;
{&lt;br /&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;quot;version&amp;quot; : &amp;quot;1.0.1&amp;quot;,&lt;br /&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;quot;nodeversion&amp;quot; : 10001901,&lt;br /&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;quot;protocolversion&amp;quot; : 10009,&lt;br /&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;quot;chainname&amp;quot; : &amp;quot;mc&amp;quot;,&lt;br /&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;quot;description&amp;quot; : &amp;quot;MultiChain mc&amp;quot;,&lt;br /&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;quot;protocol&amp;quot; : &amp;quot;multichain&amp;quot;,&lt;br /&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;quot;port&amp;quot; : 18823,&lt;br /&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;quot;setupblocks&amp;quot; : 60,&lt;br /&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;quot;nodeaddress&amp;quot; : &amp;quot;mc@192.168.1.19:18823&amp;quot;,&lt;br /&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;quot;burnaddress&amp;quot; : &amp;quot;1XXXXXXWvuXXXXXXMRXXXXXXhAXXXXXXYw8FG8&amp;quot;,&lt;br /&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;quot;incomingpaused&amp;quot; : false,&lt;br /&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;quot;miningpaused&amp;quot; : false,&lt;br /&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;quot;walletversion&amp;quot; : 60000,&lt;br /&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;quot;balance&amp;quot; : 4354999.81247900,&lt;br /&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;quot;walletdbversion&amp;quot; : 2,&lt;br /&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;quot;reindex&amp;quot; : false,&lt;br /&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;quot;blocks&amp;quot; : 1052,&lt;br /&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;quot;timeoffset&amp;quot; : 0,&lt;br /&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;quot;connections&amp;quot; : 2,&lt;br /&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;quot;proxy&amp;quot; : &amp;quot;&amp;quot;,&lt;br /&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;quot;difficulty&amp;quot; : 0.00000006,&lt;br /&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;quot;testnet&amp;quot; : false,&lt;br /&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;quot;keypoololdest&amp;quot; : 1506388291,&lt;br /&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;quot;keypoolsize&amp;quot; : 2,&lt;br /&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;quot;paytxfee&amp;quot; : 0.00000000,&lt;br /&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;quot;relayfee&amp;quot; : 0.00000000,&lt;br /&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;quot;errors&amp;quot; : &amp;quot;&amp;quot;&lt;br /&gt;
}&lt;br /&gt;
&lt;br /&gt;
$ uname -a&lt;br /&gt;
Linux lee-VirtualBox 4.10.0-35-generic #39~16.04.1-Ubuntu SMP Wed Sep 13 09:02:42 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux&lt;br /&gt;
&lt;br /&gt;
$ tail -f debug.log&lt;br /&gt;
...&lt;br /&gt;
2017-09-26 01:31:42 MultiChainMiner: Block Found - 0000244ee3c2044c6eb165e1b2fafe9b3d7ec888a6303fb0623403637a25dcf7, prev: 000033bfe67e433c54fc2f8bde68ddeeccd98f4da1be12c45b8ee3d3cea82cb6, height: 925, txs: 1&lt;br /&gt;
2017-09-26 01:31:42 UpdateTip: &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;new best=0000244ee3c2044c6eb165e1b2fafe9b3d7ec888a6303fb0623403637a25dcf7 &amp;nbsp;height=925 &amp;nbsp;log2_work=17.854868 &amp;nbsp;tx=236837 &amp;nbsp;date=2017-09-26 01:31:42 progress=1.000000 &amp;nbsp;cache=0&lt;br /&gt;
2017-09-26 01:31:42 Tx ce97c141e6706dfaf9827b08fc576b4b02f21e868df2989f29aa4d267f103f68 was not accepted to mempool, setting INVALID flag&lt;br /&gt;
2017-09-26 01:31:42 Tx d995de804747eb0220257acba4b84ef95417aa77df48d588ff4651587df9b174 was not accepted to mempool, setting INVALID flag&lt;br /&gt;
2017-09-26 01:31:42 Tx e42b84605f15825d0b16e364ba6648174bb948cce82a9b1484606b863203efa7 was not accepted to mempool, setting INVALID flag&lt;br /&gt;
2017-09-26 01:31:42 Tx cb4a0d59da89a58eafa17d2ad3d2ebe8ccba4d1cf211a801c8745bcc30950374 was not accepted to mempool, setting INVALID flag&lt;br /&gt;
2017-09-26 01:31:42 Tx aae69b2dd30342df80a74779b67c3a1071fb5648b9f1b7cb71a51d27cb2a81fb was not accepted to mempool, setting INVALID flag&lt;br /&gt;
2017-09-26 01:31:42 Tx 79e2974d3c97eb3d0aa21ae4658d7bd1c6763f4f8a0806e2d7fd573026937924 was not accepted to mempool, setting INVALID flag&lt;br /&gt;
2017-09-26 01:31:42 Tx 1014bf1146f05f94eef946e83f39e01de85faa7a883b1de5f7ae21b6bcfac3bf was not accepted to mempool, setting INVALID flag&lt;br /&gt;
2017-09-26 01:31:42 Tx eaf616dd305e8497a9beb939b4dd3f1bbf4055cc8ad59e48aac97800c73b18f3 was not accepted to mempool, setting INVALID flag&lt;br /&gt;
2017-09-26 01:31:42 Tx 6176e7dc76511700289a46027383710937d407f2e6a247a72d9d7fa51fd75051 was not accepted to mempool, setting INVALID flag</description>
<guid isPermaLink="true">https://www.multichain.com/qa/6853/about-tx-error-setting-invalid-flag</guid>
<pubDate>Tue, 26 Sep 2017 01:49:42 +0000</pubDate>
</item>
<item>
<title>Several Tx repeating with  &quot;was not accepted to mempool, setting INVALID flag&quot;</title>
<link>https://www.multichain.com/qa/6134/several-repeating-with-accepted-mempool-setting-invalid-flag</link>
<description>We have a bunch of this Tx repeating on the logs. They are slowly growing and seems to be a problem sometime in the future. What is the problem and how can be analized/solved?&lt;br /&gt;
&lt;br /&gt;
Regards</description>
<guid isPermaLink="true">https://www.multichain.com/qa/6134/several-repeating-with-accepted-mempool-setting-invalid-flag</guid>
<pubDate>Tue, 08 Aug 2017 17:10:01 +0000</pubDate>
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