For migrating from Apache Solr:

#### Document Export and Import

**Step 1: Export from Solr**

```bash
# Export Solr documents as JSON
curl "http://solr-server:8983/solr/collection1/select?q=*:*&rows=10000&wt=json" \
  -o solr-export.json
```

**Step 2: Transform to Fess Format**

Create a transformation script to map Solr fields to Fess fields:

```python
import json

# Load Solr export

				"application/vnd.wmc",
				"application/vnd.wmf.bootstrap",
				"application/vnd.wordperfect",
				"application/vnd.wqd",
				"application/vnd.wrq-hp3000-labelled",
				"application/vnd.wt.stf",
				"application/vnd.wv.csp+wbxml",
				"application/vnd.wv.csp+xml",
				"application/vnd.wv.ssp+xml",
				"application/vnd.xara",
				"application/vnd.xfdl",
				"application/vnd.xfdl.webform",

equivalent. // // The algorithm is detailed in FIPS 180-4: // // https://csrc.nist.gov/publications/fips/fips180-4/fips-180-4.pdf // // Wt = Mt; for 0 <= t <= 15 // Wt = SIGMA1(Wt-2) + SIGMA0(Wt-15) + Wt-16; for 16 <= t <= 63 // // a = H0 // b = H1 // c = H2 // d = H3 // e = H4 // f = H5 // g = H6 // h = H7 // // for t = 0 to 63 { // T1 = h + BIGSIGMA1(e) + Ch(e,f,g) + Kt + Wt // T2 = BIGSIGMA0(a) + Maj(a,b,c) // h = g // g = f // f = e // e = d + T1 // d = c // c = b // b = a // a = T1 + T2 // } // // H0...

equivalent. // // The algorithm is detailed in FIPS 180-4: // // https://csrc.nist.gov/publications/fips/fips180-4/fips-180-4.pdf // // Wt = Mt; for 0 <= t <= 15 // Wt = SIGMA1(Wt-2) + SIGMA0(Wt-15) + Wt-16; for 16 <= t <= 63 // // a = H0 // b = H1 // c = H2 // d = H3 // e = H4 // f = H5 // g = H6 // h = H7 // // for t = 0 to 63 { // T1 = h + BIGSIGMA1(e) + Ch(e,f,g) + Kt + Wt // T2 = BIGSIGMA0(a) + Maj(a,b,c) // h = g // g = f // f = e // e = d + T1 // d = c // c = b // b = a // a = T1 + T2 // } // // H0...

-3s,?tsewhtron-nc.&3s,adbmal-tcejbo-3s,dorp-&iupparme,oidutsrme,skoobetonrme,?etisbew-3s,ipa-etucexe,kcatslaud.&3s,tniopssecca-3s,?tniopssecca-3s,??be.1-&htron-nc,tsewhtron-nc,??????n&h?l?s?y??om?qc?s&g?j?ppa-avnac,?t&cennockciuq.tcerid,en??ude?vog?wt?x&g?j?n?s??z&g?x??司公?絡網?络网??b??d&g!.ypnc,?ka??e&drag?erg?fuak?hctik?i&libommi?w??m?po?r!ednaalv??sier?ves??g!.&ca?gro?moc?ten?ude?vog??is&ed!.&cihparg,ssb,??irev???h!.&bog?gro?lim?moc?ten?ude???i!.&ac?bew,c&a?in??dni?e&m?sabapus,?g&5?6?p?ro??i&a?hl...

    </magic>
  </mime-type>
  <mime-type type="application/vnd.wqd">
    <glob pattern="*.wqd"/>
  </mime-type>
  <mime-type type="application/vnd.wrq-hp3000-labelled"/>
  <mime-type type="application/vnd.wt.stf">
    <glob pattern="*.stf"/>
  </mime-type>
  <mime-type type="application/vnd.wv.csp+wbxml"/>
  <mime-type type="application/vnd.wv.csp+xml"/>
  <mime-type type="application/vnd.wv.ssp+xml"/>